fire up the editor and generate a few random maps changing the settings. Both of those are basically true. As for minimizing tundra/jungle... if you minimize one, you get more of the other so the standard temperature is best.
EXACTLY..........As a big fan of the Egyptians, I know this for a fact!wildWolverine said:Just to make sure: is it 1(2) turn(s) for a religious civ regardless of size?