Which describes a comet? (select all that apply) They are larger than the Sun.

They have a nucleus.

They are not found inside our Solar System.

They have a tail when they get close to the Sun. (its science)

they have a nucleus

and they have a tail in fact they may have two tails, but I'm not sure if they are larger than the sun but for sure the second and last one

A comet's nucleus is in the center of its coma. A comet's nucleus is like a snowball made of ice. As the comet nears the Sun, the ice starts to melt off, along with particles of dust.

Explanation:

The above answer reinforced my answer and also was verified via Google.

answer; i believe that the correct answer is (b) melosis; plz check first.good luck

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.