[Will give brainliest!] According to stratigraphy and its laws, what is the correct order—from oldest to youngest—of the following rock strata:

D, C, B, A
D, B, C, A
D, A, B, C
A, B, C, D

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

What part of the brain is highlighted in the diagram below?

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48