Global Warming

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What is the greenhouse effect?

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The greenhouse effect is a natural process where certain gases in Earth's atmosphere trap heat, preventing it from escaping into space, which keeps the planet warm enough to support life.

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How does solar energy contribute to the greenhouse effect?

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Solar energy reaches Earth, and while some of it is reflected back into space, a portion is absorbed and re-radiated as heat, which is then trapped by greenhouse gases.

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What are greenhouse gases?

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Greenhouse gases are gases in the atmosphere that can trap heat, including 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 role do fossil fuels play in global warming?

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Burning fossil fuels releases large amounts of carbon dioxide and other greenhouse gases into the atmosphere, contributing significantly to global warming.

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Why are trees important in combating global warming?

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Trees absorb carbon dioxide during photosynthesis, helping to reduce the amount of this greenhouse gas in the atmosphere.

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What happens when trees are cut down?

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Cutting down trees reduces the number of plants available to absorb carbon dioxide, leading to increased levels of this greenhouse gas in the atmosphere.

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Is the natural greenhouse effect necessary for life on Earth?

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Yes, the natural greenhouse effect is essential for maintaining temperatures that support life on Earth.

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What is the difference between natural and enhanced greenhouse effect?

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The natural greenhouse effect is a necessary process for life, while the enhanced greenhouse effect is caused by human activities that increase greenhouse gas concentrations, leading to more heat being trapped.

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What are some consequences of global warming?

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Consequences of global warming include rising sea levels, more extreme weather events, loss of biodiversity, and changes in agricultural productivity.