Atmosphere and Global Warming

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What is the main component of Earth's atmosphere?

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Nitrogen, which makes up about 78% of the atmosphere.

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What is the percentage of oxygen in Earth's atmosphere?

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Approximately 21%.

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What is the role of carbon dioxide in the atmosphere?

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Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, contributing to the greenhouse effect.

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What is the greenhouse effect?

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The greenhouse effect is the process by which certain gases in the Earth's atmosphere trap heat, keeping the planet warm.

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What are greenhouse gases?

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Greenhouse gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor.

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What is global warming?

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Global warming refers to the long-term increase in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases.

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What evidence supports the occurrence of global warming?

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Rising CO2 levels, increasing sea levels, and decreasing glacier mass.

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How does deforestation contribute to global warming?

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Deforestation reduces the number of trees that can absorb CO2, increasing the concentration of greenhouse gases in the atmosphere.

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What is climate change?

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Climate change refers to significant changes in global temperatures and weather patterns over time, which can be caused by natural processes or human activities.

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What is the difference between weather and climate?

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Weather refers to short-term atmospheric conditions, while climate refers to long-term average weather patterns in a specific area.