Earth's Atmosphere and Environmental Concepts

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Atmosphere

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The layer of gases that surrounds Earth

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Stratosphere

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The second layer of Earth’s atmosphere, located above the troposphere.

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Barometer

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A tool used to measure air pressure.

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Greenhouse Gases

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Gases (like carbon dioxide and methane) that trap heat in Earth’s atmosphere.

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Troposphere

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The lowest layer of the atmosphere where most weather events happen.

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Stratopause

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The boundary between the stratosphere and the mesosphere.

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Mesosphere

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The middle layer of the atmosphere, above the stratosphere and below the thermosphere.

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Thermosphere

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A high layer of the atmosphere where temperatures can get very hot.

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Magnetosphere

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The region around Earth dominated by Earth’s magnetic field, protecting us from solar radiation.

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Ozone Layer

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A zone in the stratosphere with high ozone concentration that absorbs harmful UV radiation.