From bottom to top,the following sequence of rock types is observed: conglomerate consisting of cobbles,pebbles and sand silt with wood fragments in it and limestone.Based on the relationship between sediment size and energy,which of the following environments did these rocks form in?
A)small stream swamp desert
B)mountain stream swamp ocean
C)deep ocean swamp ocean
D)mountain stream beach swamp

Question

Quizplus · Accepted Answer

The sequence of rock types indicates a change from a high-energy environment (conglomerate) to a low-energy environment (limestone). This suggests that the rocks formed in a mountain stream, which is a high-energy environment, and then in a swamp, which is a low-energy environment.

From Bottom to Top,the Following Sequence of Rock Types Is