3 years ago

This gas makes up close to one fourth of the air surrounding earth

2 answers:

7 0

Welllll, it's not really that close to one fourth.

One fourth is 25%.

The closest one is oxygen, which comprises about 18% of the air.

Vilka [71]3 years ago

5 0

Oxygen makes up about 21% of the earth's atmosphere and 78% is nitrogen with 1% other gases

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