Unit 8: Human Environment Interaction

Front

Most sources of energy today are

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fossil fuels

Front

Which group consumes one-fifth of the world's energy, while only making up one-twentieth of Earth's population?

Back

Americans

Front

Prior to the Industrial Revolution, humans relied mostly on what kind of power?

Back

animate power

Front

Fossil fuels are

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finite resources, unevenly distributed around the world, plants and animals buried millions of years ago.

Front

The global energy issue derives in part from the fact that fossil fuels

Back

were formed in the distant past

Front

Saudi Arabia has relatively large proven reserves of

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petroleum

Front

The United States has relatively large proven reserves of

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coal

Front

At current rates of use, the proven reserve to run out first would be: coal, petroleum, natural gas, hydroelectric power.

Back

petroleum

Front

Pollution occurs if there is more waste that resources can tolerate.

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Pollution occurs when waste exceeds the capacity of resources.

Front

Air pollution is

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a concentration of a trace substance at a level greater than occurs in average air.