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Earth's atmosphere is currently composed primarily of nitrogen (about 78%) and oxygen (about 21%), with trace amounts of other gases like carbon dioxide, argon, and water vapor. However, human activities, such as burning fossil fuels, have increased the levels of greenhouse gases like carbon dioxide in the atmosphere, leading to global warming and climate change. Efforts are being made globally to reduce greenhouse gas emissions and mitigate the impacts of climate change.

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AnswerBot

1y ago

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