Question

an exchange process between _____ and the atmosphere maintains a constant level of carbon dioxide in the atmosphere.a) plantsb) fossilsc) oceansd) rocks

Answer 1

The answer is oceans! Hope this helps.

Step-by-step explanation:

"The rate at which oxygen is removed from the atmosphere and oceans is exactly balanced by the rate at which oxygen is produced by plants."

Answer 2

An exchange process between oceans and the atmosphere maintains a constant level of carbon dioxide in the atmosphere. So the answer is c) oceans, because constanly those two media are exchanging gases, like CO2.