Answer:
It's a mix of a tiger and lion I think
The reason glaciers are melting are because of man-made factors. Green house gas, emissions and aerosols are good examples of what man made factors are melting earths glaciers.
Political geography studies all the following except Economies ( answer A). Political geography is concern with study of both spatially uneven outcome of political processes and the ways in which political processes are themselves affected by spatial structure. It also involve study of boundaries and their associated region.
If the president is unable to fulfill his/her duties as president, the vice president takes over the spot as president. If the vice president is unable to fulfill the duties as president, then the speaker of the House will take over as president. If the speaker of the House is unable to fulfill the duties as president, then the Senate president will take over.