Which of these best describes earth’s core?
a/ most dense layer, consists of the outer and inner parts.
b/ thinnest under the oceans and thickest under continents.
c/ middle layer, density increases with depth as pressure increases.
d/ least dense layer overall, consists of two layers of different thickness.

A

Explanation:

The answer is A. The core has two parts; the inner and outer core. Plus, scientist have concluded that the core is the most dense layer out of deductive reasoning and experiments. B would be the crust (or the top most layer of the earth). C is the mantle. D is also the core. :)

the most speciallized is b. grizzly bear

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.