solution
What process does the purple arrow indicate?
B. Photosynthesis
In a volcanic eruption, carbon dioxide dissolved in magma is released into the
atmosphere during the explosion. What transition is described here?
C. Geosphere to atmosphere.
Which of the following images shows a transition from the biosphere to the geosphere?
D. Image D
Which of the following processes add methane (CH4) to the atmosphere?
D. All of the above.
Suppose the inputs and outputs to the atmospheric carbon reservoir each year were as
shown below. How much carbon would the atmosphere contain in ten years?
A. 780 GtC