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atmosphere layers (importance of earth's atmosphere (it helps keep…
atmosphere layers
importance of earth's atmosphere
it helps keep the temperature suitable for life on earth
It prevent living things from the sun's harmful radiations (ultraviolet)
It contains oxygen carbon dioxide and water vapor which is necessary for life on earth
It protect earth's surface from meteors
1-troposphere
it extends from earth's surface to altitudes between 8-15 km
the temperature decrease as we move away from earth
it''s the closest layer to earth
2-stratosphere
Has the ozone layer
Temperature increase as the you go up in the atmosphere because of the ozon elayer
It extends from the earth's surface btween 15-50 km
Composition of the atmosphere
gases
oxygen 21%
other gases 1%
nitrogen 78%
liquid
acid
water vapor
solid
dust
salts
ash
pollen
5- ionosphere
it is made up of ions from the solar wind
it's between 60-500 km
auroras happen because of ionosphere
3-mesosphere
it extends from 50 km to 85 km
most meteors burn up in mesosphere and thermosphere
6-exosphere
The furthest layer from earth
4-thermosphere
It extends from earth between 85-500 km
Atmosphere: is a thin layer of gases surrounding the Earth