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kondor19780726 [428]
2 years ago
15

How are the changes in atmospheric carbon dioxide described? A. Carbon dioxide levels have increased B.carbon dioxide levels can

not be ensured C. Carbon dioxide have remained the same. D. Carbon dioxide levels have decreased
Biology
1 answer:
drek231 [11]2 years ago
8 0
<span>A. Carbon dioxide levels have increased 

Hope this helps!</span>
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