Unit 4 CSA Review

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What are primary pollutants?

Back

Primary pollutants are harmful substances that are directly emitted into the atmosphere from sources such as vehicles and industrial processes.

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What is an example of land use?

Back

Examples of land use include harvesting wood, growing crops, and preserving native species.

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What is point source pollution?

Back

Point source pollution is water waste discharge from a single identifiable source, such as a pipe or a drain.

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Where do most Americans live?

Back

Most Americans live in urban areas.

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What is temperature inversion?

Back

Temperature inversion is a meteorological phenomenon where cool air and pollutants are trapped at Earth's surface under a layer of warm air.

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What are secondary pollutants?

Back

Secondary pollutants are harmful substances that form in the atmosphere through chemical reactions between primary pollutants and other atmospheric components.

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What is nonpoint source pollution?

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Nonpoint source pollution refers to diffuse contamination that does not originate from a single discrete source, often resulting from runoff.

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What is the impact of urbanization on ecosystems?

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Urbanization can lead to habitat destruction, increased pollution, and changes in local climate, affecting biodiversity.

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What is acid precipitation?

Back

Acid precipitation refers to rain, snow, or fog that has a lower pH than normal, often caused by sulfur dioxide and nitrogen oxides in the atmosphere.

Front

What is the greenhouse effect?

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