This preserved piece of the delta floor from Western Indiana shows how animals lived and died together. It also shows us that at one time Western Indiana was ________________ and wave action covered this area of the delta with sediments, preserving the life story of these organisms in the fossil record.


A.

high in the mountains


B.

periodically glaciated


C.

on the edge of the ocean


D.

subject to great climate change


THE FIRST ANSWER I WILL PUT AS BRAINLIEST