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What is cultural eutrophication?

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Cultural eutrophication is the enrichment of water bodies with nutrients from human activities, leading to excessive plant growth and oxygen depletion.

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What is the primary purpose of the Clean Water Act?

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To restore and maintain the integrity of the nation's waters by preventing pollution.

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What changes occurred as a result of the Oil Pollution Act of 1990?

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The Oil Pollution Act of 1990 required tankers to have a double-hull design by 2015 and increased the legal liability of oil companies for spills.

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What are dirty fuels?

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Dirty fuels are fossil fuels like coal and oil that pollute the environment.

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What is the thermosphere?

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Thermosphere is a layer of Earth's atmosphere.

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What is air pollution?

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Air pollution is the presence of harmful substances in the atmosphere, which can affect human health and the environment.

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What are the main sources of water pollution?

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Main sources of water pollution include industrial discharge, agricultural runoff, sewage, and plastic waste.

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What is the significance of the Clean Air Act?

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The Clean Air Act is a U.S. federal law designed to control air pollution on a national level.

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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.

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What are renewable energy sources?

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Renewable energy sources are energy sources that are replenished naturally, such as solar, wind, and hydroelectric power.