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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

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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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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User Craned
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2 votes

Answer:B

Step-by-step explanation:

answered
User Teun Pronk
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