The correct answer is - plate tectonics.
The convection currents in the mantle, are having very high temperatures and very high pressures. Because of that, they managed to crack the crust, and thus divide the surface of the Earth in multiple peaces, or as we call them, tectonic plates. The very high pressure from bellow manages to push the tectonic plates in certain direction, and even though that movement is only a couple of cm per year, on the long term it has huge effects on everything on the planet.
I'm pretty sure its Brazil and Venezuela,
If it's really cold where you are going to build you will have to insulate the house very well and the same goes for if it's really hot.
Answer:
A. Elevation
Explanation:
Highland climates like those found in Tibet have their climates dictated by elevation, for the most part.