Answer:
Constructive margins occur when two plates with the same density (continental or oceanic) move away from each other, which causes magma from the mantle to rise to the surface. ... Destructive margins occur when one plate is denser than another and move towards each other.
They are caused by vertical air currents.
Answer: I would think D even though none really fit well. The union of the states could be thought of as a federation and our government is a democratic republic.
Bro it’s in Nepal and good afternoon
