<span>The mantle is more dense, so it can not B.
Not even A , because the crust sure does contain naturally occurring radioactive material. Heat is also not efficiently transferred to the surface--most ground is cool,
so correct option is none is above that is D
hope it helps</span>
Answer:
If I where to guess I would say b and c.
sorry if its not correct
Explanation:
Answer:
Pili are short, hair-like structures on the cell surface of prokaryotic cells. They can have a role in movement, but are more often involved in adherence to surfaces, which facilitates infection, and is a key virulence characteristic
Explanation:
please mark me as brainliest thank you
D- the frequency of the recessive alle increases over time