Resource Conservation — Unit test Answers

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The natural resources used by society are limited by various factors. Why is coal considered a nonrenewable resource?

Once coal is used up, it can never be replaced.

Coal is a nonrenewable resource, because it comes from the impact of meteors with the Earth.

Coal was a renewable resource, until it was mismanaged by humans.

Coal is considered a nonrenewable resource, because it takes millions of years to form.

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How can reduced precipitation lead to limited water availability?

It may lead to overuse.

It makes water nonrenewable.

It contaminates current supplies.

It may lead to drought.

The leading cause of limited water supplies is _______.

low precipitation

overuse

limiting use

government

Green building involves architecture that consists completely of organic materials.

Who administers the Clean Air Act?

local police forces

the Environmental Protection Agency

the office of Homeland Security

individual businesses

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