Nitrogen and oxygen.
Nitrogen & ocsigen
The atmosphere is about 78% nitrogen. Next is oxygen at around 21%.
This gas is oxygen.
Nitrogen, approx. 80 %.
Nitrogen, approx. 80 %.
Atmosphere. It is a mixture of gasses that surrounds the earth.
At 0.3%, carbon dioxide is the least common gas in the Earth's atmosphere. This is in no way indicative of its lack of importance, since carbon dioxide is the primary source of life on earth and its concentration on earth's pre-industrial atmosphere has been regulated by photosynthetic organisms and is a principle supplier of greenhouse gases.
Nitrogen and oxygen.
At about 1% of Earth's atmosphere, argon is the 3rd-most plentiful of the atmosphere's elements.
Nitrogen is the most plentiful gas in Earth's atmosphere, making up about 78% of the air we breathe. Oxygen is the next most abundant gas, comprising around 21%.
argon?
gravity