3 years ago

____________ is a gas that makes up 78% of the earth's atmosphere.

Biology

2 answers:

AfilCa [17]3 years ago

8 0

Answer:

Nitrogen

Explanation:

Nitrogen makes up 78% of the atmosphere, while oxygen makes up only 21% and other gases make up around 1%

wolverine [178]3 years ago

4 0

Answer:

nitrogen

Explanation:

It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.S

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____________ is a gas that makes up 78% of the earth's atmosphere.​

____________ is a gas that makes up 78% of the earth's atmosphere.