<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:
1= EeAA
2= EEaA
3=EEaa
4=eeAA
5=eeaa
you have to put the first letter you have in the left column and then the top one
The answer to number four is A
Water conservation involves protecting the animals