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timurjin [86]
3 years ago
8

PLEASE HELP I WILL MARK BRAINALIST

Biology
2 answers:
Pavlova-9 [17]3 years ago
6 0

Answer:

5. c. It remains constant

6. c. ecosystem

7. d. carbon dioxide

kotegsom [21]3 years ago
5 0
7 all the way because
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