Sedimentary rocks can form at the earth's surface or within the earth.

True

False

True and false. It does form most often in a river, but not in the earths crust

This is true. They are formed when when sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension. This sediment is often formed when weathering and erosion break down a rock into loose material in a source area.