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Answered 2017-08-07 10:11:24
Outgassing from volcanoes formed the Earth's original atmosphere. Later green plants converted large amounts of carbon dioxide in the atmosphere to create the modern atmosphere with roughly 20% oxygen, 80% nitrogen, and tiny amounts of other gasses.
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Related Questions
Where does earths atmosphere come from?
Plants
Where do these main gases come from?
they come from earths atmosphere and gases
Where does the oxygen in earths atmosphere come from?
Plantae (plants)
What do we call pieces of stone that come into the earths atmosphere?
It is a meteorite (meteor).
What is the earths atmosphere made of?
What is the earths atmosphere made of
Where does the earths atmosphere end?
the earths atmosphere ends in the exosphere
What percent of the Earths atmosphere is Calcium?
67.547296% of the earths atmosphere is calcium
Is earths atmosphere strong or weak?
Is earths atmosphere string or weak
How do shooting stars come?
Shooting stars are not really stars they are asteroids cought in the Earths atmosphere and the atmosphere is burning it up.
Where does the free oxygen in Earths atmosphere come from?
The free oxygen bubbled up from the oceans.
Which layer of earths atmosphere is the hottest layer?
which layer of earths atmosphere is the coldest
What is the highest layer of the earths atmosphere?
The highest layer of earths atmosphere is the exosphere.
What makes up most of the Earths Atmosphere?
Nitrogen makes up 78% of the earths atmosphere Oxygen makes up 21% of the earths atmosphere
Can asteroids come in earths atmosphere?
Yes. Asteroids can enter earth's atmosphere. In such an event the asteroid will probably strike earth's surface.
Why are some telescopes placed above earths atmosphere?
To reduce interference by the earths atmosphere
What is the particles outside earths atmosphere?
The particles outside the Earths atmosphere are called, meteoroids.
What drives convection within earths atmosphere?
Uneven heating of the Earths atmosphere and oceans by the sun
What is the coldest layer in the earths atmosphere hottest layer?
The mesosphere is the coldest layer of the earths atmosphere.
Most common element in the earths atmosphere?
nitrogen is the most common element in the earths atmosphere
What DO WE call pieces of stone that enter the earths atmosphere?
Meteoritesis what we call stones that enter the earths atmosphere.
The most abundant gas in Earths atmosphere is oxygen?
The most abundant gas in Earths atmosphere is nitrogen.
Would you find nitrogen in the earths atmosphere?
Yes, 80% of the Earths atmosphere is made up of nitrogen.
What is the atmosphere of the earths moon?
There is no atmosphere on the Earth's moon.
Is earths atmosphere thin?
No
What gas forms most of the earths atmosphere?
Nitrogen makes up most of the atmosphere at 78%
