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The two main atmospheric gases are nitrogen and oxygen. The approximate percentage for nitrogen is 78% and oxygen's approximate percentage is 21%.
Because gases can build up and nothing will flow through it because the life has gone out of the body.
The inactive gases are the noble gases
78% Nitrogen, 21% Oxygen, 1% trace gases
air is made up of some gases. i.e. it's made up of hydrogen, nitrogen, and mixture of other gases. but the most common is it is made up of nitrogen-78%, oxygen-21%, and other gases-1%air is made up of different gases such as oxygen, carbondioxide, nitrogen and noble gases.
troposhere
The lowest atmospheric layer that contains greenhouse gases is the troposphere
Dust, water vapor etc are in troposphere. It is the closest layer.
Most of earth's atmosphere is in the lowest layer, the troposphere. Thus most of the gases are within 15 km of the Earth's surface.
0 to 4 percent
0 to 4 percent
nitrogen
Twenty percent (20%) of the moon's atmospheric gases is made up of oxygen.
The dominant gas on Mercury is oxygen, which makes up 42 percent of the planet's atmosphere, followed by sodium, which makes up 29 percent. Other gases include hydrogen and helium.
80 percent of the gas in the atmosphere reside in the troposphere.
The atmospheric gases carbon dioxide, methane and nitrous oxide are all greenhouse gases that help to heat the Earth.
The glass on the greenhouse stops temperature from leaving or entering like the gases do to the earth.The atmospheric gases are called 'greenhouse gases' based on the idea that the gases 'trap' heat like the walls of a greenhouse do