Teratogens is the right answer i believe<span />
Explanation:
There are three main steps of urine formation: glomerular filtration, reabsorption, and secretion. These processes ensure that only waste and excess water are removed from the body.
Genetic drift does NOT create greater diversity within a population. Its effect is the opposite of it. Because of the infrequency of an allele, the allele may be lost in the population or only appear rarely in a specific locus in a population. This will then result in a loss of variance to the population.
The answer then will be letter A.
