Answer:
C
Explanation:
It doesn't take 100s of years to decompose biomass. Usually it takes less than a year. Not C
It should help the land fill: D is incorrect
Initially it probably does take up a lot of space or more than the results of composting. But that's not why you do it. You do it because eventually very little will be left and it makes wonderful fertilizer. A is a half truth.
I'd pick C
