The sea level of mexico city is 7382.
The poles receive more direct sunshine so it has to do with the angle that the light hits. The Earth is round and when light hits it the light wraps around the earth. At the poles the light is very stretched and at the equator it is very direct hence it is hotter at the poles.
Madagascar because the others in the list are not islands. Kilimanjaro is a mountain, mozambique is a country, and victoria is a lake.
