Natural Resources and Human Impact

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What is nuclear energy?

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Nuclear energy is the energy released during nuclear reactions, particularly fission, where atomic nuclei split to release heat, which can be used to generate electricity.

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What is acid rain?

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Acid rain is precipitation that has a pH level below 6, primarily caused by pollution, which leads to the formation of sulfuric and nitric acids in the atmosphere.

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What type of energy resource is hydro power?

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Hydro power is a renewable energy resource that generates electricity by harnessing the energy of flowing or falling water.

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Why is it important to reduce your carbon footprint?

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Reducing your carbon footprint is crucial because high levels of greenhouse gases in the atmosphere contribute to global climate change, leading to severe environmental impacts.

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What does the ozone layer protect us from?

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The ozone layer protects us from harmful ultraviolet (UV) rays emitted by the sun.

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Define renewable energy.

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Renewable energy is energy that is collected from resources that are naturally replenished, such as sunlight, wind, rain, tides, waves, and geothermal heat.

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What is the greenhouse effect?

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The greenhouse effect is the process by which certain gases in Earth's atmosphere trap heat, preventing it from escaping into space, which helps to maintain the planet's temperature.

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What are fossil fuels?

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Fossil fuels are nonrenewable energy resources formed from the remains of ancient plants and animals, including coal, oil, and natural gas.

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What is the significance of the carbon cycle?

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The carbon cycle is significant because it describes the movement of carbon among the atmosphere, oceans, soil, and living organisms, playing a crucial role in regulating Earth's climate.

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What are CFCs and their impact on the environment?

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Chlorofluorocarbons (CFCs) are man-made compounds that deplete the ozone layer, leading to increased UV radiation reaching the Earth's surface.