Answer:
B. They break down rotting materials and return nutrients to the soil.
D. All of the above, I hope this helped, if you have any questions let me know! :)
Answer:
is that autocracy is a form of government in which unlimited power is held by a single individual while democracy is (uncountable) rule by the people, especially as a form of government; either directly or through elected representatives (representative democracy).
Explanation:= )