Nitrogen cannot be used by plants or animals in its gaseous form. Place the steps of the nitrogen cycle in order to show how nitrogen becomes usable to plants and animals.

Explanation:

I don't know the answer, but someone already answer it the question are similar you can check for your self

d. in sexual reproduction, offspring have more chromosomes than

either parent.

asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). sexual reproduction produces a random mixture of the genetics derived from both parents

explanation:

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."