Front

Class Period: 1, 2

Back

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Front

What percentage of U.S. groundwater is used for irrigation?

Back

68%

Front

Which of the following is a main use of fresh water? Commercial, Industrial, Agricultural, Both B and C

Back

Both B and C

Front

Eutrophication is caused by: Toxic chemicals, Excess nutrients, Oil spills, Sediment pollution

Back

Excess nutrients

Front

What defines a watershed?

Back

An area that supplies water to a river system.

Front

Which law regulates water pollution and sets standards for water quality in the U.S.?

Back

Clean Water Act

Front

Which process removes salt from seawater to create freshwater?

Back

Desalination

Front

Freshwater is water with very few dissolved salts and is __________ but limited in availability.

Back

Renewable

Front

Groundwater seeping through soil and collecting in __________ is an important source of drinking water.

Back

Aquifers

Front

The __________ is where surface water can soak into the ground and reach an aquifer.

Back

Recharge zone