Answer:
a. human geography
Explanation:
he is studying how people move
It is used for transporting food i think and other things like oil for your hair and to brush your teeth and they use it in factories try one of them.
Cambridge, Idaho and Caldwell, Idaho
Just look it up
Well it's the core, like a core of an apple. The center part.
In high altitudes, people have less oxygen to breath in, making strenuous activities much harder.
Vice versa in low altitudes.
