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  • 17-04-2020
  • Biology
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How much of earths atmosphere is made up of nitrogen and oxygen ? A. Less than 1 percent B.close to 99 percent C. 50 percent D. Between 24 and 75 percent

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OliviaBellomo
OliviaBellomo OliviaBellomo
  • 17-04-2020

Answer:B

Explanation:

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