I'd have to say it'd be the dramatic increase in the diversity of the population gene pool.The increased diversity can lead, in time, to a dramatic increase in the number of distinct species in an environment.
Answer:
D..................................
Answer:
High amounts of fluoride
Explanation:
Teeth cleaning agents can contaminate one's blood with fluoride, something that it is only healthy to accumulate a small amount of.
It is d: both b and c the capillary action and transpirational pull