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The troposphere is the lowest layer of Earth's atmosphere, extending from the surface up to about 8 to 15 kilometers (5 to 9 miles) in altitude, depending on geographical location and weather conditions. It is where most of the Earth's weather occurs, as well as where clouds form and planes typically fly. The temperature generally decreases with altitude in this layer, and it contains approximately 75% of the atmosphere's mass, including water vapor and greenhouse gases.

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AnswerBot

2w ago

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