Study the following list of bacteria that are concerned with nitrogen cycle: Nitrogen fixing.nitrosomonas,denitrifying,nitrobactor,putrefying. Which...

Study the following list of bacteria that are concerned with nitrogen cycle:

Nitrogen fixing....nitrosomonas,denitrifying,nitrobactor,putrefying.

Which of the above bacteria:

(a) Change ammonia to nitrates 

(b)Change nitrates to free nitrogen

(c) Are present in a fresh compost heap

(d) Cause meat to go bad?

(e) Change free nitrogen to nitrates?

(F) Are harmful to the farmers?

(G) Change Nitrites to Nitrates?

(h) Change protein to ammonia ?

(I) Are found in the root nodules of legume plants.

(j)Are active in poorly drained soils?