Answer:
I help you carry your books.
I am a path between high natural masses; remove the first letter to get a path between man-made masses.
The more you take away the bigger I get. What am I?
I can be red blue purple and green. No one can reach me not even the queen.
I come with a train and go with a train and the train doesn't need me but can't go without me.
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?