An embryo was exposed to a chemical early in its development. at birth, there is chromosomal damage to the circulatory system linked to the chemical exposure. what other organ systems should be examined for the same damage?

Ibelieve the answer is relative humidity  because it makes more sense that way. solar flares usually occur in space it doesn't affect the earth, well it could but it wont make a significant damage.  latitude is land it doesnt do anything. prevailing winds, i dont know the correct meaning for this but i doubt that affects the land so it has to be relative humidity.

The category is the thing that is most simmilar throughout a period

Mitosis is one and the other is metoisis