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.
D. Silicon is the correct answer.
Answer:
I think everglades don't have enough time or money to fix it
The answer to your question is knowledge. Scientific knowledge is the information gathered by the systematic study of nature.
It needs warm ocean water in a tropical area like the Gulf of Mexico.