Natural Resources

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What are natural resources?

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Natural resources are materials or substances that occur in nature and can be used for economic gain, such as water, minerals, and forests.

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What is the difference between renewable and nonrenewable resources?

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Renewable resources can be replenished naturally over time (e.g., solar energy, wind), while nonrenewable resources exist in finite amounts and cannot be replaced once used (e.g., fossil fuels, minerals).

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What are fossil fuels?

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Fossil fuels are nonrenewable energy sources formed from the remains of ancient living organisms, including coal, oil, and natural gas.

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Why is water considered a renewable resource?

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Water is considered renewable because it is part of the natural water cycle, where it evaporates, condenses, and precipitates, allowing it to be replenished.

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What are CFCs and their impact on the environment?

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Chlorofluorocarbons (CFCs) are chemicals that deplete the ozone layer, which protects the Earth from harmful ultraviolet radiation.

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How can reducing car usage help the environment?

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Reducing car usage decreases air pollution and smog levels, leading to improved air quality and a healthier environment.

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What is solar energy?

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Solar energy is energy harnessed from the sun's rays, which can be converted into electricity or heat.

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What is the significance of conserving natural resources?

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Conserving natural resources ensures their availability for future generations and helps protect the environment.

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What is ethanol and why is it considered a renewable energy source?

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Ethanol is a biofuel made from plant materials, such as corn and sugarcane, and is considered renewable because it can be produced continuously.

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What are the effects of air pollution on human health?

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Air pollution can cause respiratory problems, cardiovascular diseases, and other health issues, particularly in vulnerable populations.