APES Final Exam

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What is a primary pollutant?

Back

A pollutant that is put directly into the air by human activities.

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What causes acid rain?

Back

High concentrations of sulfuric or nitric acid from pollution.

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Where does the energy start in a food chain?

Back

The Sun.

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What does extinction mean?

Back

When every organism of a species has died.

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What is reclamation?

Back

A process of returning the land back to its original condition after mining.

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Define biodiversity.

Back

The variety of life in the world or in a particular habitat or ecosystem.

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What is an ecosystem?

Back

A community of living organisms and their physical environment interacting as a system.

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What is the greenhouse effect?

Back

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

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What are invasive species?

Back

Non-native species that spread widely in a new habitat and cause harm to the environment.

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What is sustainable development?

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Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.