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15 Cards in this Set

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weather
The state of the atmosphere at a given time and place
what does weather depend on
amount of clods, temp., air pressure & wind
And the amount of moister
atmosphere
a thick blanket of gasses surroundig earth composed of air
what are gasses in the air
nitrogen (78%)
oxygen(21%)
aloso carbon dioxide, H2o vapor, and aragon
Troposhere
layer of the atmosphere closest to earth
temp of the troposhere?
decreases with increse of altitude
stratoshpere
second layer of the atmosphere
where tempeture remains constant to a height of 20km
where is the ozone layer
stratosphere
mesosphere
third layer of atmosphere
temp. decreases with height
ozone
3 oxygen atoms bonded together
what percent of UV rays does ozone absorbe
99%
how thick is the ozone layer
10-20 km thick
the ozone is thinning because of
chloraflorocarbons
that contain chlourine.flurine and carbon
almost all or earths energy comes from the sun is
radiant energy
most reaches the _________ and is ________ back to space
atmosphere
reflected