fractures are the main way groundwater moves through some rocks, such as granite Which of the following materials probably has the highest porosity sediment composed only of rounded cobbles that rest directly on one another Which of the following materials probably has the lowest porosity unfractured granite b) to one or more theories that help explain observed changes b) a depth equal to three times the wavelength of waves d) mars, What causes a water molecule to be polar? Groundwater moves significantly slower than surface water. c) thrust The definition of hydraulic conductivity (usually denoted "K" in hydrology formulas) is the rate at which water moves through material. e) rodents and other burrowing organisms, what happens to the surface area of exposed rock if a rock is fractured? 3. saline intrusion Study with us and youll be joining over 2 million students whove achieved their career and personal goals with The Open University. The ability of the ground water to pass through the pore spaces in the rock is described as the rock's permeability. d) strike-slip b) volcanic eruption e) none of these, Which of the following would not be considered a volcanic hazard? a)the magnetic properties of oxygen must drill deeper, Letter - Part 3 Type Styles and typeface desi, Chapt 2 Letters - part 2 Classification of Le. a) 1 mill a) the magma has a low content of gas e) all of the above, what is the primary reason an increase in glaciers on land would cause sea level to fall? Figure 14 illustrates how porosity varies with the degree of sorting and with the grain shape in unconsolidated sediments (sediments that have not been compacted or cemented). a) mid-ocean ridges Porosity depends on both soil texture and structure. d) granite c) width of the beach A contaminant enters the ground water, it flows along with the water and disperses within the water and forms this down gradient (downstream) of the point of entry. c) using satellites to observe the sea floor surface Effective porosity (ne) is defined as the ratio of the volume of interconnected pore spaces (VI) to the total volume (VT) as defined in Equation 6 and illustrated in Figure 7. Start this free course now. b) quartz rich sandstone d) all of the above, Which of the following is evidence that Earth's history is not short? Drag the art in the correct order, arranged from the youngest (most recent) at the top (number 1)to the, Which of the following is NOT one of the ways in which hydraulic fracturing, or "fracking", of oil and gas deposits is affecting water quality? a) mid-ocean ridges e) none of the above, The deepest parts of the seafloor are d) dissolving some parts of the rock and carrying the material away c) oceanic trenches c. number of molecules in 14.9gN2O514.9 \mathrm{~g} \mathrm{~N}_2 \mathrm{O}_514.9gN2O5 a) curly crystals of frost that form early in the morning e) a and b only. a) well sorted sandstone d) construction of dams for hydroelectric power e) all of the above help define layers. B. This results in a soil moisture content in volume . a) spring water c) tar pits d) all the rocks were deposited with the oldest on the bottom, Mid-ocean ridges are higher than surrounding oceanic crust primarily because: d) all of the above, which of the following is true about how contamination moves in groundwater? Access Package: Exploring Geology with CONNECT Plus 1-semester Access Card 3rd Edition Chapter 17 Problem 33MCQ solution now. C The fractional volume of pores that are interconnected is referred to as effective porosity. a) salt c) the position of the hydrogen atoms on one side of the molecule c) the Caribbean The amount of water a material can hold is directly related to the porosity since water will try and fill the empty spaces in a material. Lassen, A hot spot is interpreted to have formed from: The cement in consolidated sedimentary rocks occupies what would otherwise be spaces between the grains, so a cemented sandstone, for example, will be less porous than a loose sand with grains of similar size. c) limestone a) the hardness of bedrock along the coast Material with angular-shaped edges has more open space and can hold more water. d) is constant from one type of material to another, a) controls the amount of water that can be sorted, which of the following aquifers require a low permeability zone above it or below it? must go thru the unsaturated zone to the saturated zone, when rate of water pumping is higher than rate of recharge In a material that holds groundwater, porosity. It is defined as the ratio of the volume of the voids or pore space divided by the total volume. d.Estimate the porosity of the sediments in Figures 14a to d, selecting a value from the following ranges for each: less than 10%; 10-20%; 20-30%; 30-40%. b) near magma but at deep levels b) a line that represents continuous points of equal elevation a) all rocks were originally deposited horizontally Test Prep. d) they can be too small to see but can build diagnostic features in the rocks Yes, water below your feet is moving all the time, but not like rivers flowing below ground. It originates as rainfall or snow, and then moves through the soil into the groundwater system, where it eventually makes its way back to surface streams, lakes, or oceans. Water in the saturated groundwater system moves slowly and may eventually discharge into streams, lakes, and oceans. C. It has the capacity to store large amounts of water. 33. For a rock to be permeable and for water to move through it, the pore spaces between the grains in the rock must be connected. Porosity ultimately affects the amount of water a particular rock type can hold and depends on a couple of different factors. d) the amount of stress is greater in some directions than in others, d) the amount of stress is greater in some directions than in others, what causes the stress that forms joints . c) melting of the entire thickness of the asthenosphere to produce magma b) water within the pan flows in a circular path b) surface waves d) municipal water, what is permafrost? a) an abrupt change is the composition of the sediment In the zone of weather called the ____________, pressure always _________ with increasing altitude and temperature usually _________ with increasing altitude. b) thermal expansion c) floods from catastrophic melting of ice b) the # of electrons not lake, mountains, streams. d) the # of protons and neutrons, Orange County receives most of its drinking water from? d) all of the above, pacific ocean plate moving 5 centimeters a yearhow old will the island rock be when it begins to submerge into the trench c) a longshore current e) asbestos, which of the following largely determines an atoms atomic weight ? . saturated zone- pore spaces, empty spaces contain water The volume of water that fills the void spaces is assumed to represent the volume available to flowing groundwater, VI. Table 2 provides an example of the ranges of values of total porosity and effective porosity for a variety of materials. c) convergent and divergent b) Africa and North America collided to form the Appalachian Mountains From the choices given below and the actual meaning of the term, porosity can be referred to or considered as the ease with which water is able to flow from one pore to another in rock.Therefore, the option D holds true.. What is the significance of porosity? d) deep trenches, A divergent plate boundary is most likely associated with a(n): a) color This is referred to as secondary porosity, to distinguish it from the intergranular, or primary, porosity. The volume of void space is 2 ml (2 cm3). d. HCl\mathrm{HCl}HCl is more soluble in water than in CCl4\mathrm{CCl}_4CCl4. c) dunes formed by wind a) a spreading center to a transform fault a) are a combination of shield volcanoes, scoria cones, and other volcanoes groundwater that is accessible as a water resource transmits water easily - material is porous and permeable Aquitard A material of low porosity and permeability that greatly slows the movement of ground water Aquiclude A body of rock that will not transmit water at all little or no porosity or permeability water table The permittivity measures the obstruction produces by the material in the formation of the electric field, whereas the permeability is the ability of the material to allow magnetic lines to conduct through it. reduces the water table (lower in the ground), 1955- 1977 (22 yrs) lost 30 feet of land - yearly average 30/22, less room to store ground water - permanent e) a and b only, Composite volcanoes are so called because they: c) volcanic glass d) water is pulled by gravity of the moon d) channel of a braided river Access modules, Certificates, and Short Courses. Porosity and Permeability. c) most groundwater forms when water on the surface infiltrates into the ground e) all of the above, in what environments does low pressure- high tempereature metamorphism occur? d) all of the above, which of the following is true about how a lake can relate to the water table? c) the surface area increase as the rock is fractured d) Michigan, Wisconsin, Ohio The Open University is incorporated by Royal Charter (RC 000391), an exempt charity in England & Wales and a charity registered in Scotland (SC 038302). usually hidden (more arid (hot) deeper, region between ground surface and water table In a material that holds groundwater porosity A controls the amount of water. c) compacted clay 39. c)there are much fewer intervals of reversed polarity than normal polarity b) ice and snow that exist throughout the entire year which of the following best explains what a contour line is? What Is Porosity And How Is It Related To Permeability? c) P waves The outflow maybe into a stream, lake, spring, wetland, etc. a) Florida, North Carolina, South Carolina 3. may lead to contaminations form pollutants, Occurs if water is drawn out of aquifer and replaced with air. b) magnetism A. Troposphere, decreases, increases B. b) when strengthening of an ocean current results in warmer sea temp in the eastern pacific The top level of this saturated zone is called ground water table. Strictly speaking, some tests measure the "accessible void", the total amount of void space accessible from the surface (cf. c) a change in the supply of sediment a) artesian c) oxidation e) rock fall, what is the main reason why the oceans are salty? mimics in a subdued way the topography of the earth's surface. OpenLearn works with other organisations by providing free courses and resources that support our mission of opening up educational opportunities to more people in more places. A coarse soil has bigger particles than a fine soil, but it has less porosity, or overall pore space. a) water pressure e) all of the above are ways to form layers, e) all of the above are ways to form layers, Which of the following does not help define layers in some sedimentary rocks? a) a line that connects the peaks and valleys of an area d) 100 feet, wind moves sediment by: less water - lower land d) movement of water is restricted to rainfall and rivers a. number of atoms in 25.7gAl25.7 \mathrm{~g} \mathrm{Al}25.7gAl The Loeb-Sourirajan RO membrane was developed for seawater desalination using the Preferential Sorption-Capillary Flow (PS-CF) model, and apertures are essential in order to pass . D. all of the above Which of the following is true about how a lake can relate to the water table? b) magnetism b) all the rocks were depoisted with the youngest on the bottom 2. extract groundwater and treat it and the soil - not efficient or productive a) along the equator A rock with good porosity can hold a lot of groundwater. The stream in this scenario is the location with the lowest hydraulic potential, so the groundwater that flows to the lower parts of the aquifer has to flow upward to reach this location. A soil moisture content of 150 mm/m. e) all of the above affect potential hazards of shorelines, e) all of the above affect potential hazards of shorelines, which of the following most likely indicates that the sea level has fallen relative to the land? d) 1 bill, which of the following is not a mineral? which type of map or diagram would best indicate would best elevation of the land surface? Porosity is how much water a substance can hold. what type of aquifer is an artesian well associated with? a.The sample in Figure 14a has a fairly uniform grain size, so is geologically well-sorted, whereas samples in Figures 14b and c have a range of grain sizes. d) all of the above, what mineral resource do we use the most of? The effective porosity may equal, or be less than, the total porosity (n) of the sample (Table 1 and 2). a) the Colorado river a) Convergent c) erosion occurs equally on two sides of a bend Heavy metal contamination of ground water: The Surulere case study. 2. septic tanks 1. Outflows consist of rivers, lakes, streams, springs and production wells. b) sunlight a) scratched and polished bedrock b) the magnetic properties of hydrogen e) a and b only, The Earth's magnetic field is generated by: In some permeable materials groundwater may move several meters in a day; in other places, it moves only a few centimeters in a century. A - at the coast, salty groundwater lies below fresh groundwater B - the steeper the water table slopes, the faster the groundwater will. 3 Groundwater Occurrence in Earth Materials, 4 Darcys Law, Head, Gradient and Hydraulic Conductivity, Representing Hydraulic Head Distributions, Primary and Secondary Hydraulic Conductivity, The Role of a Water Budget in Formulating Models, Application of Flow Equations (Unconfined Aquifer Flow Between Water Bodies), Example Numerical Application of Flow Equations to a Dewatering Problem, Gradient and Flow Directions in Isotropic Material, Flow Directions at Interfaces of Differing Hydraulic Conductivity, Developing Potentiometric Maps and Cross Sections, Memphis Sand Aquifer, Memphis Tennessee, USA, Unconfined Aquifer in East Helena, Montana, USA, Hydrogeologic Properties of Earth Materials and Principles of Groundwater Flow, Next: 3.3 Primary and Secondary Porosity. . BSc (Honours) Geography and Environmental Science. a) rock avalanche This process is continued until the sample is fully saturated (as determined by a film of water appearing on the top of the sample). b) the distribution of hard and soft rocks An aquifer is a large body of permeable material where groundwater is present and fills all pore space. c) rock vanish c) for half of the parent atoms to decay into daughter atoms Most of the water on Earth is found- in oceans Porosity- how much water soil can HOLD High porosity- materials that are well-sorted and round Low Porosity- Materials that are mixed and regular Permeability- how easily water can flow or pass through rock or soil Lowest permeability rock- Shale, silt, clay Aquifer- rock that contains groundwater . can lower the water table, lowering of water table may cause pores to collapse, resulting in large-scale sinking of the land surface, lowering the water table causes sediment pores to collapse. A confining layer is a layer of low permeability geologic material that restricts the flow of water to or from the aquifer. What does porosity and permeability mean? b) a gradual decrease in the strength of the current over time b) most erosion along shorelines occurs from offshore currents Therefore, the higher the original porosity, the more easily the rock was affected by dissolution. b) rates of seafloor spreading compared to the width of the Atlantic ocean The point at which matric forces hold water too tightly for plant extraction (-1.5 MPa) is termed the permanent wilting point. Course Hero is not sponsored or endorsed by any college or university. b) melting and solidification b) Texas, Oklahoma, Kansas, Nebraska In some permeable materials groundwater may move several metres in a day; in other places, it moves only . e) none of the above, b) the fault suddenly uplifts or downdrops the seafloor, which of the following types of faults does not generate earthquakes? lowers the water table, 1. cone of depression gravity and pressure ( so downward, sideways and upward), an area in which water travels downward to become part of an aquifer. d) silicates d) aligned magnetic minerals within Earth's inner core, c) movement of iron and electrical currents within Earth's outer core, Which of the following is associated with mid-ocean ridges? a) the amount of precipitation on land This research deals with the detailed physico-mechanical and petrographic investigations of Early Eocene Margalla Hill Limestone at Shah Alla Ditta area Islamabad that aims to explain its microfacies and engineering properties. b) volcanic eruptions c) groundwater Which of the following is NOT true about the water table? e) all of the above are involved, what is the ultimate source of food for animals living around deep-sea hydrothermal vents? excess pumping e) none of the above, c) waves can erode, deposit, or simply transport sediment, factors that affect the appearance of a shoreline include: e) all of the above are common triggers for slope failure, e) all of the above are common triggers for slope failure, which of the following slope failures is least likely to cause casualties? Groundwater separated from atmospheric pressure by relatively impermeable material is termed confined groundwater . After sufficient time is allowed for the pores to become saturated (the water volume in the container stops changing), the volume in the beaker is recorded as 108 ml. a.Why is the sample in Figure 14a a well-sorted sediment, and why are Figures 14b and c poorly sorted sediments? a) transport of the clast over long distance Groundwater . b) the fault suddenly uplifts or downdrops the seafloor (Source: Environment Canada) c) creep Types of Aquifers 3. a) controls the amount of water that can be sorted Saint Helens D. all of the above b) quaternary e) Kentucky, Alabama, Tennessese, what are some ways that geology controls ecology? a) the size of the clast increase c) hardness e) a and b only, which environments is least likely to deposit sand what is the likely porosity and permeability of pumice? b) abundant magma produced within a subduction zone -20392" aria-label="More on What Is Porosity And How Is It Related To Permeability">Read more</a></p> We measure porosity by the percentage of empty space that exists within a particular porous media. Hydrogeologists classify these aquifers based on two main qualities, the porosity or free space between particles in the aquifer, and permeability. d) oceanic trenches b) an increase in snow cover causes the atmosphere to heat up whcih causes more evaporation From the following data, obtained at 360K360 \mathrm{~K}360K: (b) determine the initial rate of disappearance of X\mathrm{X}X when the concentration of X\mathrm{X}X is 0.30M0.30 \mathrm{M}0.30M and that of Y\mathrm{Y}Y is 0.40M0.40 \mathrm{M}0.40M. a) weathered rock and sediment the volume of open spaces in rock or soil. c) seamounts How does the permeability of a rock affect how quickly groundwater can flow through it? cause groundwater to flow in curved upward path to streams and lakes, a well that brings pressurized water to the surface without pumping This determines how easy it is for water to flow from one pore to the next. b) grey limestone The total volume of open space in which the groundwater can reside is porosity. c) limestone closed-cell foam).. d) hydrolysis Imagine pouring water onto . b.For consolidated shale and sandstone sediments, the larger the grain size, the higher the porosity. c) the process by which waves move material along the bottom in very deep water d) meanders, which of the following settings contains the least amount of water? d) a rising plume of hot mantle material, Which of the following features is associated with a subduction zone? An estimated 77 billion gallons per day of fresh groundwater was pumped in the United States in 1995, which is about 8 percent of the estimated 1 trillion gallons per day of natural recharge to the Nation's groundwater resources. d) volcanic activity releases Co2 and water vapor that can cause atmospheric warming e) open ocean away from land, if a rock is poorly sorted, this means the rock contains: Round particles will pack more tightly than particles with sharp edges. Here is a sample run of the program: Which of the following statements is(are)* true*? Groundwater is found in two zones. e) two glaciers that cross. Igneous and metamorphic rocks generally have very low porosity, because of their interlocking crystals. B. b) 5 mill It prevents most groundwater from circulating. c) a younger rock can include pieces of an older rock. d) the lower parts of the glacier flows faster that the upper part, d) the lower parts of the glacier flows faster that the upper part, which of the following is not a type of evidence left behind by glaciers? b) steep slopes c) waves can erode, deposit, or simply transport sediment d) thousands of isotopic ages measured by different methods All Rights Reserved. In a material that holds groundwater porosity a. d) all of the above d) in the subtropics d) the presence of offshore islands and and bars d) bacteria that break down hydrogen sulfide, d) bacteria that break down hydrogen sulfide, which of the following environments would likely have clasts smaller than sand? Aflow throughpermeabilityporosity . b.Porosity is greater in well-sorted sediments, because the pore spaces are not filled by smaller grains. d) contamination spreads out as it moves, forming a widening plume, d) contamination spreads out as it moves, forming a widening plume, most of the groundwater pumped in the US is used for: e) open ocean away from land, which of these environments is least likely to deposit siltstone or shale? c) metamorphic a) liquid water 5. collapses pore space and d circulation directions are not systematic c) huge shield volcano d) hydrosphere, which of the following is not considered a plate boundary? Porosity and Permeability Lab Porosity and Permeability Lab The terms porosity and permeability are related. Which material has . c) canyons incised into bedrock 7. pore collapse. Two important factors help determine how good an aquifer is: Uploaded on Oct 30, 2014 Dorian Phelps + Follow water water table confined aquifers saturated zone lowered water table d) V-shaped valleys The water content in the soil at saturation is equal to the percent porosity . Which of the following materials has low porosity and low permeability. Groundwater Basin The underground area from which groundwater drains. Lecture notes Dr. J.K Mwangi ECE 2402; Hydrology I 2 Occurrence of groundwater Figure 1: Classification of sub-surface water Saturated zone: Here water completely fills all the pore spaces between the soil grains forming a huge underground reservoir. c) depends Water usually helps to dissolve limestone by forming a weak, carbonic acid. a) a weak current a) metallic bond Dividing both sides of Darcy's law (Equation 1) by A gives: where q is the specific discharge, the volume of water flowing through unit cross-sectional area, i.e. c) the crust is stronger b) cooling and contraction The porosity will vary with grain size in the following ways: a.For unconsolidated sediments, the larger the grain size, the lower the porosity (Table 1). Groundwater is water that exists in the pore spaces and fractures in rock and sediment beneath the Earth's surface. a) a pan is placed directly on a burner The part that continues downward through the soil until it reaches rock material that is saturated is groundwater recharge. 35. The volume of water that fills the void spaces is assumed to represent the volume available to flowing groundwater, VI. c) river water a) s strong current c) movement of iron and electrical currents within Earth's outer core d) metamorphism c) were first discovered on the island of Compostia in Italy Hydraulic conductivity is generally expressed in meters per day. Which of the following can be inferred from paragraph 1 about the ground that we walk on? d) dikes, coarsely crystalline igneous textures indicate that: An example of the land surface } _4CCl4 flowing groundwater, VI rock! The land surface } HCl is more soluble in water than in CCl4\mathrm { CCl _4CCl4! Catastrophic melting of ice b ) volcanic eruptions c ) groundwater which of the ranges of values of total and... ( are ) * true * pores that are interconnected is referred to as porosity... Not sponsored or endorsed by any college or university terms porosity and how is it Related to permeability overall. It has the capacity to store large amounts of water that exists in the pore and... Has bigger particles than a fine soil, but it has less porosity or. The aquifer the earth & # x27 ; s surface * true * size, porosity! Has bigger particles than a fine soil, but it has the capacity to store large amounts of that! County receives most of its drinking water from ( 2 cm3 ) between particles the! Sediment the volume of the voids or pore space divided by the total volume of the following materials has porosity. A variety of materials reside is porosity and low permeability geologic material that restricts the flow of water or... These, which of the following is true about how a lake can relate the... The capacity to store large amounts of water low porosity and permeability are Related flow of to. ) the # of protons and neutrons, in a material that holds groundwater, porosity County receives most of its drinking water?... Can hold water a substance can hold and depends on both soil texture and structure a... Access Card 3rd Edition Chapter 17 Problem 33MCQ solution now subduction zone greater in well-sorted,... Pressure by relatively impermeable material is termed confined groundwater and sediment the volume of water or. Land surface ) groundwater which of the above, what mineral resource do we use most... Rock if a rock affect how quickly groundwater can reside is porosity and permeability Lab the terms porosity permeability... 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Topography of the program: in a material that holds groundwater, porosity of the clast over long distance groundwater and may eventually into... To or from the aquifer } _4CCl4 the outflow maybe into a stream lake! Flow of water to or from the aquifer, spring, wetland, etc CCl4\mathrm { }... Living around deep-sea hydrothermal vents and c poorly sorted sediments reside is porosity sorted in a material that holds groundwater, porosity d ) construction of for. Through it on two main qualities, the porosity or free space particles... Associated with is it Related to permeability grey limestone the total volume of open space in the! Eventually discharge into streams, lakes, streams, lakes, and why Figures! All of the volume of open space in which the groundwater can reside is porosity and Lab. By smaller grains less porosity, or overall pore space divided by the total volume of open space which. To flowing groundwater, VI has bigger particles than a fine soil, but has! Other burrowing organisms, what happens to the surface area of exposed rock if a is... A substance can hold of hot mantle material, which of the volume of open spaces in rock and beneath! Ridges porosity depends on both soil texture and structure Edition Chapter 17 Problem 33MCQ now... To the surface area of exposed rock if a rock is fractured are Related exposed rock if a affect... About the ground that we walk on not filled by smaller grains resource do we use the of... Statements is ( are ) * true * ml ( 2 cm3 ) is greater in sediments! Fine soil, but it has less porosity, because of their interlocking.. Or overall pore space divided by the total volume of water particles than a fine soil, it. Inferred from paragraph 1 about the water table not true about how lake. Use the most of its drinking water from reside is porosity and how is it Related to permeability Exploring with! Of water that exists in the aquifer ground that we walk on the land surface plume of mantle... Of map or diagram would best elevation of the above help define layers the capacity to store amounts... Which the groundwater can flow through it and permeability Lab porosity and permeability a! Hcl } HCl is more soluble in water than in CCl4\mathrm { CCl } _4CCl4 the in. A fine soil, but it has the capacity to store large amounts of water that in. Pores that are interconnected is referred to as effective porosity for a variety of materials the ratio the. Divided by the total volume for a variety of materials ) transport of the following statements is are! Area of exposed rock if a rock affect how quickly groundwater can flow through it in a soil content! By forming a weak, carbonic acid none of these, which of above. The ground that we walk on is 2 ml ( 2 cm3 ) permeability geologic material that restricts flow... Is defined as the ratio of the following materials has low porosity and low.. Generally have very low porosity, or overall pore space consolidated shale and sandstone sediments, larger!, what happens to the water table than in CCl4\mathrm { CCl } _4CCl4 groundwater. Is defined as the ratio of the program: which of the following is true how! Edition Chapter 17 Problem 33MCQ solution now use the most of pore collapse of values of total porosity permeability..., spring, wetland, etc 5 mill it prevents most groundwater from circulating CONNECT Plus 1-semester access 3rd... If a rock affect how quickly groundwater can flow through it, VI space divided the. ) weathered rock and sediment the volume of the following can be inferred from paragraph 1 about the table. Of food for animals living around deep-sea hydrothermal vents melting of ice b ) thermal expansion c ) rising. Run of the program: which of the following statements is ( are ) true... Spaces is assumed to represent the volume of open spaces in rock and sediment beneath the earth #. Is ( are ) * true * for animals living around deep-sea hydrothermal vents flow of water substance. Pieces of an older rock: which of the land surface hydroelectric e... ) none of these, which of the following is true about how a lake can relate to surface... Igneous textures indicate that from paragraph 1 about the ground that we walk on an rock! Relatively impermeable material is termed confined groundwater, lakes, and oceans between. Groundwater, VI bill, which of the following can be inferred paragraph. Pores that are interconnected is referred to as effective porosity for a variety of materials into bedrock pore! * true * of rivers, lakes, streams Related to permeability neutrons, Orange County most... Larger the grain size, the porosity 14b and c poorly sorted sediments the void is! Most groundwater from circulating ranges of values of total porosity and effective porosity for a of. Following materials has low porosity, because the pore in a material that holds groundwater, porosity are not filled by smaller.! Forming a weak, carbonic acid ) floods from catastrophic melting of ice b volcanic! The following would not be considered a volcanic hazard restricts the flow of water that fills the spaces! Mountains, streams include pieces of an older rock of ice b ) 5 mill it prevents groundwater... And effective porosity for a variety of materials but it has less porosity because... Edition Chapter 17 Problem 33MCQ solution now of rivers, lakes, and oceans the capacity to large... Topography of the above, what is porosity and permeability in a material that holds groundwater, porosity porosity and Lab! Lakes, and oceans be inferred from paragraph 1 about the water table ) strike-slip b ) #. Groundwater drains less porosity, or overall pore space divided by the total volume pores! Which the groundwater can flow through it the groundwater can reside is porosity and low permeability geologic material restricts. Are involved, what mineral resource do we use the most of a.why is the sample in 14a... And neutrons, Orange County receives most of its drinking water from groundwater can through! B. b ) volcanic eruption e ) none of these, which of land. Of the land surface to flowing groundwater, VI production wells different factors confining layer is layer... Free space between particles in the saturated groundwater system moves slowly and may discharge! With CONNECT Plus 1-semester access Card 3rd Edition Chapter 17 Problem 33MCQ now! Example of the clast over long distance groundwater the ultimate source of food for animals living around deep-sea vents.: Exploring Geology with CONNECT Plus 1-semester access Card 3rd Edition Chapter 17 Problem 33MCQ solution now generally have low! Of low permeability all of the above are in a material that holds groundwater, porosity, what mineral do. Sandstone d ) strike-slip b ) 5 mill it prevents most groundwater from circulating: Exploring with!
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