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APSC 151 week 7/8 | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions $13.48   Add to cart
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APSC 151 week 7/8 | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions
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APSC 151 week 7/8 | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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  • August 4, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • apsc 151 week 78 questions answers 100 scor

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  • APSC 151

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APSC 151 week 7/8 | Questions & Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With Expert Solutions

What percent of surface water is fresh water - 0.3 %



what percent of glaciers are freshwater - 76%



is glacial water renewable - no



what percentage of freshwater is underground - 24%



what is the largest resevoir of freshwater - groundwater found in pores of sediment and fractures of
bedrock



what is a water table - a layer in the groundwater where the groundwater pressure is zero



what are the parts of a groundwater reserve - a) zone of aeration: above water table where pores in the
rock do not contain water

b) zone of saturation: where pores in the rock are completely filled with water



what is primary porosity - the pores in a material



what is secondary porosity - a material with fragments or caverns



aquitard - impermeable layer that prevents water movement



aquifer - permeable layer that transmits water



perched water table - zone of trapped water separate from the water table

, springs - natural outflow of water table



hotsprings - water that is heated at depth



geysers - when hot grounwater expands, becomes steam, and erupts



karst - groundwater that dissolves the surrounding material and can cause sinkholes



what is the driving factor of groundwater movement - gravity



what other factors (2) - permeability: material property for how easiry water can flow through rock a soil



porosity - the % of total volume that is pore space

-sand is porous

-granite is non- porous

- clay is porous but impermeable



what is total hydraulic head - the height of the water table



hydraulic gradient - the total head/ distance (slope of water table)



confined aquifer - aquifer separated by aquitards



artesian well - any groundwater under pressure that rises above sea level

- the water pressure is higher than the opening of the well



biological contamination - when a septic system slowly releases sewage into the zone of aeration

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