In what order were the rock layers likely deposited over time?
a 1,2,3,4,5,6
b 5,4,3,2,1,6
c 5,4,3,6,2,1
d 6,5,4,3,2,1

The answer is A because of its logical form.

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

hope this : )

the answer is d.) homologous; have mammary glands