A. Density because density is the amount of mass in a given volume
Weathering is a slow process. It takes thousands of years to erode a rock or land mass. This is going on today with our beaches and the rocks in the ocean.
Answer:
Plate tectonics is the name for the process that forms Earth's features. Plates spread apart, bump together, slide under one another, or slide past each other. Forces on the surface also change the land. The movement of wind and water breaks rock down, and erosion wears Earth's surface away.
Selling grain is the answer.