number of continents in the world. location of major cities in the country. elevation of an area. rainfall of desert regions.
I gave my students this multiple choice question: A topographic map is primarily used to determine the

Only one answer is correct among these 4 choices:
- number of continents in the world.
- location of major cities in the country.
- elevation of an area.
- rainfall of desert regions.

Could you tell me which one is correct?

elevation of an area.