Atmosphere and Climate Concepts

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atmosphere

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the mixture of gases surrounding the Earth

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troposphere

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the layer of the atmosphere closest to the Earth’s surface where weather occurs

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stratosphere

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the layer of the atmosphere between the troposphere and mesosphere where the ozone layer is located

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mesosphere

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the layer of the atmosphere between the stratosphere and the thermosphere where meteors burn up

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thermosphere

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the layer of the atmosphere between the mesosphere and exosphere where auroras occur

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exosphere

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a layer of the atmosphere beyond the thermosphere that fades into space

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weather

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the conditions of the atmosphere at a certain location and time

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air mass

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a large body of air with uniform temperature and humidity

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front

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a boundary between air masses

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cold front

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when a cooler air mass advances on a region of warmer temperatures