Chapter 7 Test

What is an unsustainable use of groundwater?

• aquifer

• overpumping

• zone of saturation

What are two ways water is lost in flood irrigation?

• dishwashers

• evaporation

• runoff

Which country has the highest percentage of the Earth's fresh water?

• Canada

• USA

• Russia

What are underground water caverns with porous layers of sand, rock and gravel called?

• zone of saturation

• surface runoff

• aquifier

What is precipitation that does not infiltrate the ground or return to the atmosphere?

• aquifer

• surface runoff

• ground irrigation

What term is used for any change in water quality that can harm living organisms?

• water pollution

• air pollution

• organism pollution

What is the depth of which space between rock and soil is completely filled with water?

• water pollution

• surface runoff

• zone of saturation

Using pipes or tubes to deliver water directly to plant roots

• sprinkler system

• drip irrigation

• watering cans

Lakes are more resilient than streams and rivers when it comes to pollution.

• True
• False

Nonpoint source pollution is much easier to prevent than point source pollution

• True
• False