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How much of the atmosphere is made of carbon dioxide? By how much has CO2 increased in the atmosphere during the past 150 years?
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3 votes
How much of the atmosphere is made of carbon dioxide?

By how much has CO2 increased in the atmosphere during the past 150 years?

User Abbotto
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1 Answer

3 votes

Answer:

50 and 80

Step-by-step explanation:

because it is

User BillSaysThis
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