The tropics get more rainfall than on the other places on earth because more evaporation takes place in the tropics.
The greenhouse affect is the reason for the increase in average temperature and the green house affect is contributing to global warming
Outer core.
The densest layer is the inner core but it is not given as an option. The outer core is closet to the inner core, therefore it is the correct option.
William The Conqueror from Normandy, France.
