Click on Pesticides in Ground Water . Read that section.
1.
Why has pesticide use in the U.S. grown?
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2.
What two factors determine how quickly pesticides come in contact with ground
water?
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3.
Why are pesticides bad for groundwater?
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Click on Ground water depletion . Read that section.
4.
What is ground water depletion?
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5.
List 4 effects of ground water depletion.
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6.
What is land subsidence?
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7.
How many feet has the water level declined in the city of Chicago from 1864 to
1980? ______ft.