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All terms in this list:

Atmosphere: -A blanket of air that covers the entire Earth

Troposphere: -Bottom layer of the atmosphere containing most of its gases.

Tropopause: -Layer of constant temperature in the atmosphere just above the troposphere and below the stratosphere.

Stratosphere: -Area of the atmosphere that extends from about 11 to 50 km above the surface.

Ozone: -A form of oxygen found in the atmosphere which absorbs harmful solar radiation.

Stratopause: -Layer of constant temperature in the atmosphere, just above the stratosphere and just below the mesosphere.

Mesosphere: Second highest level of the atmosphere composed mainly of nitrogen and oxygen.

Thermosphere: The upper most layer of the atmosphere composed mainly of hydrogen and helium.

Ionosphere: The lower part of the thermosphere containing charged atoms called ions.

Ions: Charged atoms.

Exosphere: The upper part of the atmosphere.

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