Not all areas on earth's surface receive the same amount of radiation because earth's surface
a. is flat
c. has continents on it
b. is curved
d. is mostly water

The question says,'not all areas of earth surface recieve the same amount of radiation because the earth surface is The correct option is B. Because of the earth spherical shape, the radiation from the sun are not equally distributed on the earth surface. The surface of the earth farthest away from the sun are usually aligned in parallel position to the sun rays and may recieve no radiation at all.