If it is 12 noon at the International Date Line, what time is it at the Prime Meridian?

Answer// dinosaurs emerged during mesozoic era;

Answer mauritania is in the northwestern part of african, meaning its in the western hemisphere, and how do i know/ the map showed me so; ///: )

The peak above is part of the  sierra madre occidentals ,  a chain of volcanic mountains that runs through the middle of central america. 

F=31 because you subtract 39-8