Question

There are many fluctuations that may occur in the carbon cycle. Which of the following is NOT a natural cause of the fluctuations of the carbon cycle?

A. Industrial activities
B. Seasonal variations
C. Changes in ocean currents
D. The exchange that occurs between carbon sinks

Answer 1

A

Step-by-step explanation:

That one doesn't fall in the category of carbon cycle. It has nothing to do with natural causes since it is a man made thing. Industrial activities is not a natural cause.