Human Impact

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What is human impact?

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Human impact refers to the effects that human activities have on the environment, including changes to ecosystems, pollution, and resource depletion.

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What is a dam?

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A dam is a barrier built across a river to hold back water, often used for water supply, flood control, and hydroelectric power.

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What is air pollution?

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

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What is renewable energy?

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

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What is the difference between renewable and non-renewable resources?

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Renewable resources can be replenished naturally over time, while non-renewable resources, like fossil fuels, are finite and will eventually run out.

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What is smog?

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Smog is a type of air pollution that is a mixture of smoke and fog, often caused by industrial emissions and vehicle exhaust.

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What is the greenhouse effect?

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

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What are fossil fuels?

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Fossil fuels are non-renewable energy sources formed from decomposed plants and animals, including coal, oil, and natural gas.

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What is the role of trees in reducing air pollution?

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Trees absorb carbon dioxide and release oxygen, helping to improve air quality and reduce pollution.

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What is the impact of deforestation?

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Deforestation leads to loss of biodiversity, disruption of water cycles, and increased carbon emissions, contributing to climate change.