What causes rocks, dirt, and earth to combine?
Time Weathering Air heat energy forces friction rainfall Animals
A B C D E F G H
Sediment is made of rocks, dirt, and earth.
Weathering breaks down rocks, dirt, and earth to create a substance.
What causes rocks, dirt, and earth to combine? (A) Time (B) Weathering (C) Air (D) heat energy (E) forces (F) friction (G) rainfall (H) Animals