Is the perspective in geography that examines locations in the planet based on their relative location to objects.
a. the ecological persepective
b. the spatial persepective
c. the global persepective
d. none of the above

The correct answer is b. the spatial persepective

Spatial comes from space which refers to spatial relations between objects. In this question, it is spatial perspective because spatial perspective deals with what you described.

Geologists use  seismic waves to  locate an earthquake's epicenter.. 

Considering only personal water use, people in the developed world use about  germany was the only country in world war 1 to use u-boats  than people in the developing world