<span>A) Ultraviolet light stopped the replication process of bacteria.
Stopped or slowed this process, hint the sterilization.
The question doesn't directly ask this but, after a while a lot of bacteria become immune to treatment especially antibiotics. </span>
C. Can produce fertile offspring
The species may be widespread so they do not share the same population, territory or resources. However, if they are the same species, they can produce fertile offspring.
When there is density it controls the high and low pressure the answer is A
The answer is D. Cellular respiration
The molecule will enter the cell using a channel protein.
