How would you use the prime meridian and equator to locate specific places on a map?

The earth's internal process which drives seafloor spreading is

Which arrow is closest to laguna madra bay? a. 1 b. 2 c. 3 d. 4

What empire controlled most of the middle east except for a few years between 1516 and 1917, where was the capital of this empire located and what was the geographic extent of this empire?