A mutation is a change in DNA. Which of the following will cause a mutation?

The location of ribosomes of Rough ER.
The deletion of a nucleotide from DNA.
The use of ribosomes to synthesize DNA.
The movement of DNA from the nucleus of the cell.

The deletion of a nucleotide from DNA.

Explanation:

The deletion of a nucleotide will cause a mutation because a certain piece of the DNA will be missing.

the answer is c

explanation:

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.