Answer:
A polar molecule is a molecule that has a positive and negative charge at either end.
D mantle
The mantle swells up in response to the plate moving
Answer: it attempts to to stabilize the river by creating a state of equilibrium
Explanation: Sediment transport occurs in natural systems where the particles are clastic rocks (sand, gravel, boulders, etc.), mud, or clay; the fluid is air, water, or ice; and the force of gravity acts to move the particles along the sloping surface on which they are resting.
Your answer is Enamel it is the coating on teeth that helps prevent damage.