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15 Cards in this Set

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atmosphere
layers of gases that surround the earth
exosphere
a reigion beginning at the top of the thermosphere and continues until it merges with interplanetary gases or space
ionosphere
a region that charactorized by the presnce of plasma. Its boundaries vary according to solar activity.
mesosphere
These temperatures fall as low as 43 D
C. In this region; chemicals are in an excited state. As it absorbs energy from the sun.
stratosphere
Dry and less dense, the air in this layer of the atmosphere moves horizontally and does not move up & down with in it. Temperatures here increase with elevation.
thermosphere
temperatures increase with altitude due
to the sun's energy reaching as high as 1,727 degreses celsius
troposphere
The layer of the atmosphere closest to the earth's surface
air mass
a large body of air that has about the same temperature and moisture throughout.
cold front
an air mass that over takes a warm air mass
front
the boundary, or area of contact between two air masses
stationary front
an unmoving boundary between a warm air mass and as cold air mass
vacuum
conditions where is not air or air pressure
Warm front
an air mass that slides over denser cold air
cirrus
high clouds, thin, wispy clouds blown by high winds into long streams
cumulonimbus
thunderstorm clouds with dark bases which comes from culums clouds