Whats the difference between Conglomerate, Sandstone, and shale?

Question

thanks!

Answer 1

A conglomerate is a rock that forms of many different sized grains. A sandstone in a rock that forms of only sand-sized grains of minerals r rock fragments and a shale a made up of fine particles and forms in a more specific locations than the previous two, such as rivers, deltas, and ancient shallow seas.

Answer 2

Conglomerate shows rocks, Sandstone only shows sand grains, Shale is fine clay particles.

Answer 3

Shale Sandstone

Answer 4

Grain size.