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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, primarily caused by human activities such as burning fossil fuels.

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What are greenhouse gases?

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Greenhouse gases are gases in Earth's atmosphere that trap heat, including carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).

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How do greenhouse gases affect Earth's temperature?

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Greenhouse gases act like a thermal blanket, absorbing heat and warming the Earth's surface.

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What is the greenhouse effect?

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The greenhouse effect is the process by which greenhouse gases trap heat in the atmosphere, keeping the Earth warm enough to support life.

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What happens if there is no greenhouse effect?

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Without the greenhouse effect, the Earth would cool to a point where it would be uninhabitable.

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What is the significance of 400 ppm in relation to CO2 levels?

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In 2019, CO2 levels surpassed 400 parts per million (ppm) for the first time in recorded history, indicating a significant increase in greenhouse gas concentrations.

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What role do human activities play in climate change?

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Human activities, such as burning fossil fuels and deforestation, increase the concentration of greenhouse gases in the atmosphere, contributing to climate change.

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What is the impact of climate change on weather patterns?

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Climate change can lead to more extreme weather events, such as hurricanes, droughts, and heavy rainfall.

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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 patterns and averages of weather in a particular area.

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What are some natural sources of greenhouse gases?

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Natural sources of greenhouse gases include volcanic eruptions, wildfires, and respiration from plants and animals.