Geothermal heat- to provide energy for process like subduction, melting and metamorphism (to drive plate tectonics)
solar energy- for processes like erosion, weathering and transport
Most of the heat is refracted on the waters surface.
Answer:
Geographic Features
Explanation:
They are Geographic Features because they all come from the earth in some mannor. Mountains are rock formed from the eatth along with dessets just flatter, and lake's are water from erosion of rock.
They provide a good balance between the size and shape of land areas.