Air and Water Review

Front

What is a negative consequence of hydroelectric dams?

Back

Disruption of ecosystems.

Front

What act has resulted in a significant reduction in air pollutants since 1963?

Back

The Clean Air Act.

Front

What term describes air pollutants that result from a chemical reaction?

Back

Secondary pollutants.

Front

What does the hole in the ozone layer increase exposure to?

Back

UV rays.

Front

What issue have chlorofluorocarbons contributed most to?

Back

The ozone hole.

Front

What is the primary source of air pollution?

Back

Emissions from vehicles and industrial processes.

Front

What is the purpose of the Clean Water Act?

Back

To regulate the discharge of pollutants into U.S. waters.

Front

What are particulate pollutants?

Back

Tiny solid or liquid particles suspended in the air.

Front

What is acid rain?

Back

Rain that has been made acidic by pollutants in the atmosphere.

Front

What is the greenhouse effect?

Back

The warming of Earth’s surface due to trapped heat by greenhouse gases.