Mountains because the tectonic plates are colliding and pushed up against each other.
Answer:
Explanation:
Accretion occurs as mantle is added to the growing edges of a plate, associated with seafloor spreading. This hot added material cools down by conduction and convection of heat. ... Mantle convection causes tectonic plates to move around the Earth's surface.
The answer would be B. It has made the process faster.
