Question

a sedimentary rock that shows ripple marks was found. what do the ripple marks tell about the area where the rock formed? the rock formed at very high temperatures. the rock formed in a fast - moving stream. the rock was blown out of a volcano. the rock formed from mollusk shells.

Explanation:

Ripple marks on sedimentary rocks are formed by the action of water or wind - they indicate the direction and energy of the current that deposited the sediment. They don't suggest high - temperature formation (igneous rock characteristic), formation from mollusk shells (bioclastic rocks), or volcanic origin.

Answer:

The rock formed in a fast - moving stream.