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luda_lava [24]
3 years ago
14

Which has forms 21% of earths atmosphere?

Geography
1 answer:
Alisiya [41]3 years ago
6 0

Answer:

Oxygen

Explanation:

Nitrogen gas forms 78%, Oxygen forms 21% and the last 1% consists of various other gases.

Oxygen and Nitrogen are used in various compounds that are essential for plants and animals to survive.

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