The answer is "the ice-caps" from the north and south pole.
It depends if it is a carrier or not, and if the trait is recessive or dominant trait
This is false.
Diffusion can occur under an open area and a cell membrane, but not for osmosis. Osmosis can only occur through a semi permeable membrane, which one example can be the cell membrane. Only water molecules move in osmosis, but diffusion can be any fluid which includes gas or liquids.