What percentage of earth’s surface is covered by water?
a. 45 percent
b. 51 percent
c. 71 percent
d. 85 percent

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Why is oman trying to develop its tourism and manufacturing sectors?

The earth rotates on its axis and revolves around the sun every