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Katyanochek1 [597]
3 years ago
15

Humans have altered the carbon cycle by

Biology
2 answers:
Hunter-Best [27]3 years ago
6 0
: D) all of the above

: A), B), and C) all affect our environment.

Hope this helps!
zloy xaker [14]3 years ago
4 0

Answer:D) all of the above

Explanation:these are all correct because they all affect our environment

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