Cenozoic Era, Mesozoic Era, <span>Paleozoic Era, Precambrian Time</span>
The upper class consisted of the royal family, rich landowners, government officials, important priests and army officers, and doctors. The middle class was made up chiefly of merchants, manufacturers, and artisans. The lower class, the largest class by far, consisted of unskilled labourers.
Answer:
C. Because of a warm water ocean flow
Explanation:
increases by 1 every time