asked 203k views
4 votes
Which gas in Earth’s atmosphere helps living things make proteins?

oxygen
nitrogen
water vapor
carbon dioxide

2 Answers

5 votes

Answer:

B.) Nitrogen

Step-by-step explanation:

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answered
User Patrick Dark
by
8.2k points
1 vote

Answer:

nitrogen

Step-by-step explanation:

answered
User Edward Samson
by
8.2k points

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