The correct answer to this question is B
They're separated by the South China Sea.
Answer:
grow new crops
Explanation:
because they were not the ones doing the work they grew new crops to gain more profit
C. Appalachian Mountains,
According to the most accepted theory, the glaciation, or drastic drop of temperatures in the northern hemisphere of the planet spreading ice and snow well below the Arctic Circle, causes the sea level of all the oceans in the world to fall some 60 feet around all the coastlines, including the area of the Bering Strait. Furthermore, it is believed that the remaining body of water currently passing between the Arctic Circle and the Pacific Ocean froze up forming a thick layer of ice, which allowed the transit of both humans and animals between the American and Asian continents.
