Suppose you start the reaction with 0.285 g of Benzil, and the theoretical yield of is approximately 0.359 g. There was of diphenyl acetone present in the starting reaction mixture.

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?