15. The process that breaks down rock and other materials at Earth's surface is called

Weathering is the breaking down or dissolving of rocks and minerals on Earth's surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.

Explanation:

hope this helps have a good day :)

ask an adult bc this is too hardcore

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.