Hydrosphere Intro Quiz

First Name

Last Name

Class Period

• 1
• 2

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

• 45%
• 55%
• 68%
• 75%

Which of the following is a main use of fresh water?

• Commercial
• Industrial
• Agricultural
• Both B and C

Eutrophication is caused by:

• Toxic chemicals
• Excess nutrients
• Oil spills
• Sediment pollution

What defines a watershed?

• A body of water storing freshwater
• A large lake that receives rainfall
• An area that supplies water to a river system
• An underground aquifer

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

• Safe Drinking Water Act
• Clean Air Act
• Clean Water Act
• Environmental Protection Act

Groundwater mining makes water:

• Renewable
• Reusable
• Nonrenewable
• Non-potable

Which process removes salt from seawater to create freshwater?

• Filtration
• Distillation
• Desalination
• Irrigation