Earth Science Chapter 1-4 Benchmark Test

Front

What year is the ozone hole expected to close up?

Back

2050

Front

What significant systems were formed as a result of the environmental policies during the Second Period?

Back

National forest system and national park system

Front

What does CFC stand for?

Back

Chlorofluorocarbons

Front

What is the nature of science?

Back

It is an organized way of studying.

Front

How do environmental issues typically affect nations?

Back

Environmental issues often involve more than one nation.

Front

What are the primary components of the National Forest System?

Back

The National Forest System includes national forests and grasslands managed for multiple uses.

Front

What are chlorofluorocarbons (CFCs) primarily used for?

Back

CFCs were commonly used as refrigerants, propellants in aerosol sprays, and solvents.

Front

What is the significance of the Clean Air Act?

Back

The Clean Air Act regulates air emissions from stationary and mobile sources to protect public health and the environment.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere.

Front

What role do national parks play in environmental conservation?

Back

National parks protect natural landscapes and biodiversity while providing recreational opportunities.