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, forests, and fossil fuels.

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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 (e.g., solar energy, wind energy), while non-renewable resources exist in finite amounts and cannot be replaced once used (e.g., fossil fuels, minerals).

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What is recycling?

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Recycling is the process of converting waste materials into new materials and objects, which helps conserve natural resources and reduce pollution.

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How does recycling affect land resources?

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Recycling conserves land resources by reducing the need for landfills and minimizing the extraction of raw materials.

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What is the role of water in the human body?

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Water is essential for various life functions, including protecting body tissues, regulating body temperature, and aiding in digestion.

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What is steam and how is it used in power generation?

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Steam is water vapor that is produced by boiling water. It is used to turn turbines in power plants, such as nuclear and geothermal plants, to generate electricity.

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What are fossil fuels?

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

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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 are some disadvantages of solar energy?

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Disadvantages of solar energy include high initial costs, less energy production on cloudy days, and the need for large surface areas for solar panels.

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What is geothermal energy?

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Geothermal energy is heat energy generated and stored in the Earth, which can be used for heating and electricity generation.