1. As the mantle heats up due to the heat from the core it begins to rise. Why does this happen?

Question

A. Because density is increasing as temperature increases.
B. Because density is decreasing as temperature increases.**
C. Because mass is increasing as temperature increases
D. Because mass is increasing as temperature decreases.

2. Once the mantle nears the crust, it will cool and _______________ because the density increases.
A. Stay in its place**
B. Rise
C. Move to the right
D. Sink

Answer 1

1. correct
2. correct.

Answer 2

Thank you