Question

1. which diagram best shows the grain size of some common sedimentary rocks? a) siltstone sandstone shale smaller grain size larger b) shale siltstone sandstone smaller grain size larger c) siltstone shale sandstone smaller grain size larger d) sandstone shale siltstone smaller grain size larger

Explanation:

Shale has the smallest grain - size among the three (shale, siltstone, sandstone), followed by siltstone, and sandstone has the largest grain - size.

Answer:

B. Shale, Siltstone, Sandstone