(PLSSS DO THIS ILL MARK BRAINLESS) Matter on Earth constantly cycles between the different reservoirs of the Earth system. As matter cycles through the Earth's reservoirs, what effect does this have on the total amount of matter on Earth?
A.
The total amount of matter on Earth constantly decreases.
B.
The total amount of matter on Earth is always changing.
C.
The total amount of matter on Earth constantly increases.
D.
The total amount of matter on Earth remains constant.
