Read the following sentences Sedimentary rocks begin as sediment at the bottom of rivers, lakes, and oceans. Sediment is made of small pieces of sand, clay, and shells. The weight of water presses down on the sediment until it becomes hard* Based on this information, what can you conclude about sedimentary rocks?
A
All sedimentary rocks are found far from water
B
Some sedimentary rocks have shells in them
С
Sedimentary rocks are harder than igneous rocks
D
All sedimentary rocks are very soft