Nitrogen gets into the earth's atmosphere through the nitrogen cycle.
Nitrogen makes up 78% of Earth's atmosphere.
Nitrogen has made up the largest portion of Earth's atmosphere for most of Earth's history. It currently makes up about 78% of the atmosphere.
Nitrogen makes up 78% of the Earth's atmosphere.
Nitrogen makes up about 78 percent of Earth's atmosphere.
Nitrogen makes up approximately 78% of Earth's atmosphere.
Nitrogen accounts for 78% of the atmosphere.
Yes. Earth's atmosphere is about 78% nitrogen.
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
nitrogen
Nitrogen.
Nitrogen
nitrogen
Nitrogen makes up 78% of Earth's atmosphere.
Nitrogen does
Nitrogen and oxygen,
mostly nitrogen with 21% oxygen
Nitrogen is about 79% of the Earth's atmosphere.