B. chief examiner.
A chief examiner would be someone or something else unrelated entirely. Perhaps a police chief or a medical examiner are the closest to a "chief examiner" anything.
Answer:
Scholar Alfred W. Crosby used this passage “ this Columbian exchange ” to depict this general change of plants, creatures, society, innovations, people, and illness between this world’s Eastern and Western Hemispheres as a result of the voyages of discovery that began with Christopher Columbus in 1492. Crosby wrote that this change “ has made markets for continent without which she could.Be today a very different and a much poorer part. ” But Crosby likewise mentioned, “ It is likely that and these plants and creatures he works with him have had this disintegration of more varieties of living shapes at the last four hundred years than the usual processes of evolution might kill off in a million. ”
If the sunlight is blocked more, linger shadows. Blocked less, shorter shadows. - kid form
At the beginning of both World War I and World War II, the initial policy of the United States was to "remain neutral", since the United States during these times was a very "isolationist" nation.