Hydrosphere Unit Test

Front

What produces ocean currents?

Back

Differences in the temperature of the water at different depths.

Front

Which agency ensures the safety of drinking water in the U.S.?

Back

Environmental Protection Agency (EPA)

Front

Which city receives its freshwater supply directly from the Hetch Hetchy Aqueduct?

Back

San Francisco

Front

Why is water conservation important?

Back

Less than 1% of Earth's freshwater is immediately available for use by humans.

Front

What is the best location for a new well?

Back

Location S is the best choice.

Front

What percentage of Earth's water is freshwater?

Back

About 2.5% of Earth's water is freshwater.

Front

What is the main source of freshwater for human use?

Back

Rivers, lakes, and aquifers.

Front

What is the role of the Environmental Protection Agency (EPA)?

Back

To regulate and ensure the safety of drinking water and protect the environment.

Front

What is the significance of the Hetch Hetchy Aqueduct?

Back

It supplies drinking water to San Francisco.

Front

What is the impact of climate change on freshwater resources?

Back

It can lead to changes in precipitation patterns and increased evaporation.