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Earth Atmosphere: our shield from outer space.

0:01she
0:05cut do the good
0:13lolzz the atmosphere is made up of a mixture of gases
0:18mostly oxygen and nitrogen
0:22that wrap around the hood like a blanket I
0:25al-hajj seventy-nine percent
0:29nitrogen and just 121 percent
0:32oxygen the small amount remaining
0:35is composed of carbon dioxide and other gases
0:39of
0:42without the atmosphere we will not be able to live here
0:46the most gases protectors by blocking out dangerous rays from the Sun
0:52and making I %uh perfect habitat
0:55for last and animals of the
0:59Earth's atmosphere has 5 layers try to steer
1:03stratosphere messes fear
1:06thermosphere and excess fear
1:09them atmospheric gases become
1:17finna as you go higher but Rob spear
1:23is the lowest layer of the atmosphere
1:26eat begins at the surface and extends
1:30to between seven kilometers 23,000 feet
1:35actor Paul and 17 kilometers
1:38sixty thousand feet at the equator
1:42with some variation due to weather factors
1:46this part of the atmosphere is the most
1:4910th as you climb higher in this layer
1:53the temperature drops from about seventeen
1:57two-minus 52 degrees Celsius
2:00the truck was fear is known as the weather layer
2:05since no weaned and rainy
2:08stick to the Slayer the stratosphere
2:14starts just about the tropics fear and extends
2:18250 kilometers 31 miles
2:21hi I'm cool
2:27be compared to the truck was fear
2:30this part of the atmosphere is dry
2:33and less games the temperature in this region
2:38increases gradually 2 -3 degrees Celsius
2:42due to the absorption of ultraviolet radiation
2:47cool
2:50the ozone layer which absorbs and scatters
2:53the solar ultraviolet radiation is
2:57in the flared ninety-nine percent
3:00air is located in the troposphere and stratos
3:04field
3:08message Spears starts just le the stratosphere and extend stay
3:1385 kilometers just 53 miles high
3:17in this region
3:22the temperatures again fall as low as minus
3:2619 degrees Celsius this unique recent out achieved
3:32the chemicals I an excited state
3:35as they absorb energy from the Sun
3:42of this is also when most meteors burn up
3:47mine enjoying the atmosphere do the thermosphere
3:54starts just above the message field
3:57and extends to 600 kilometers 372 miles
4:03highest
4:08temperatures go up as you increase in altitude
4:12due to the Suns energy temperatures
4:16in this region can go as high as 01727 decrease
4:22some fields chemical reactions occur
4:26much faster here than on the surface of the earth
4:30buddhist lehrer is known as the
4:33upper atmosphere being
4:36Douglas pew also includes the ionosphere
4:40region which is field with charged particles
4:44the
4:47Texas beer start 500 kilometers
4:51a puppy old and is the highest layer
4:55it starts acting Tom to the thermosphere
4:58and continues until it merges would-be to
5:02planetary gas or space
5:13in this region up the atmosphere hydrogen
5:16and helium other prime components
5:19and a only present extremely low
5:23densities
5:33she

 

Without the atmosphere, we will not be able to live on earth. The gases in the atmosphere protect us by blocking out dangerous rays from sun and making earth a perfect habitat for plants and animals. Let's find out what are those gases which supports life on earth.

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