asked 58.2k views
2 votes
Could somebody please help me?

Select the correct answer

Which biogeochemical cycle includes the exoskeleton and shells of marine organisms as a reservoir?

A) carbon
B) nitrogen
C) sulfur
D) oxygen


Thank you! :)

1 Answer

3 votes

Answer: The answer is Oxygen.

answered
User David BS
by
8.7k points
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