Prevent tyranny by acting as a check on power.
Your answer to this question Plateau
The troposphere because it has half of all air in the Atmosphere
The island of cephalonia belongs to Greece
Conversely, for every time zone boundary you cross going east, you add one hour. Because Earth is round, if you continue to travel in one direction, you will eventually return to your starting point, and you would have set your watch forward or backward a full day.
