The appropriate answer is D. Fossils of terrestrial life forms would be found in this region. Sand and silt are typically deposited by fluvial or river processes which occur on land. Sand and silt are fine grained materials which would also suggest that the environment may possibly be a flood plain. Flood plains are located in the lower course of rivers; close to where they empty into the sea. This scenario fits with the fact that three was a drop in sea level which would expose land closest to the coast. <span />
Answer:
I think the answer is b. DNA
It's called peristalsis. It occurs through the oesophagus all the way through the digestive tract.
