Which BEST describes how scientists can use this model of the carbon cycle?
A
B
C
D
-Scientists use this model to show the effect of excess carbon on Earth's atmosphere.
-Scientists use this model to explain the effects of the flow of carbon on Earth's
surface.
-Scientists use this model to determine methods for reducing the human impact on
carbon flow.
-Scientists use this model to understand how Earth's spheres interact to maintain a
stable level of carbon.
