Which locations are composed of loose materials (not bedrock)? A photo of a cliff face with four locations marked.The cliff face has horizontal layers of bright red rock on the bottom that rise in a stepwise pattern to about the halfway point. Above them, the rock is smooth and nearly vertical. Loose rocks cover parts of the bottom layers. The following locations are marked. 1, the top, smooth, vertical half. 2, the bottom, step-like half. 3, the loose rocks. 4, the flat ground beneath the cliff. @Stephen J. Reynolds Multiple Choice 3 and 4 2 and 4 2 and 3 1 and 3 1 and 2