Yes it would be Jim Jong Un as he is fighting for his life in da gulag vs bin laden who will win you decide.
Gravity keeps the water and yourself from falling off the planet into space.
This movement is called convection. It can be found in liquids, gasses and rheids - solids that can also experience movement ( on a big time scale), such as the earth mantle. One of the types of convection is diffusion: net movement of gasses from higher to lower concentration areas.
It's another term for hurricane
