Answer:
I am a path between high natural masses; remove the first letter to get a path between man-made masses.
I have a neck and no head two arms but no hands. I go with you to school I go with you to work.
What gets whiter the dirtier it gets?
I have two bodies joined together as one. When standing still, I run and run. What am I?
The faster you run the harder it is to catch me
Give it food and it will live, give it water and it will die.