EXPERT HELP: Some species can reproduce sexually or asexually. In which two situations is sexual reproduction advantageous?

A. When no individuals of the same species are available for mating

B. When many individuals of the same species are available for
mating.

C. When the individuals live in a stable environment in which they
thrive.

D. When the individuals live in an environment that suddenly
changes.

the answer would most likely be option C and D

Explanation:

let me know if this is wrong :))

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

answer; i believe the correct answer is (a)0