Two important natural processes that release carbon into our atmosphere are
a) combustion and decomposition
b) decomposition and respiration
c) photosynthesis and respiration
d) deforestation and decomposition

Two important natural processes that release carbon into our atmosphere are photosynthesis and respiration.

i think that d. wind is the answer.   i missed the question when i answered a. currents.

it takes hundreds of years to become stable.

if you have another question lmk.