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Groundwater Surface Water Importances of Water Drainage Basins and Watersheds Extra
100
What is groundwater?
Water that soaks into the Earth's surface
100
What is surface water?
water on the Earth's surface
100
What is 71%?
the amount of area water covers on the earth
100
What is a drainage basin?
an area of land that drains into a river stream
100
What is an aquifer?
layers of rock that trap and store water
200
What is permability?
Stuff that allows water to pass through it
200
What is runoff?
water that falls but doesn't go into the earth and turns into surface water
200
What is 3%?
how much water is freshwater
200
What is a watershed?
another name for a drainage basin
200
What are human advantages?
Give people things to drink and keep things alive and recreation
300
What is the zone of aeration?
the area beneath the areas surface where water collects
300
What are lakes?
low areas of land where surface water collects
300
What is frozen?
the form of most of the 3% of freshwater
300
What is a divide?
the high ground that seperates two drainage basins
300
What are ecosystem advantages?
They allow plants to grow and keep the ecosystm alive
400
What is the zone of saturation?
Where water fills all the available space in the soil
400
What are oceans?
large areas of salt water
400
What are dams?
hold back water to create resivoirs.
400
What are streams?
Small bodies of flowing fresh water
500
What is water table?
the upper most area of the zone of saturation
500
What are wetlands?
land area where soil remains wet for all or part of the year
500
what are deltas?
triangular deposits of soil
500
What are rivers?
a large flowing stream of water that is fed by smaller streams or tributaries






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