Answer:
I am between earth and heaven. What am I?
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
The more you take the more you leave behind. What am I?
I am free the first time and the second time, but the third time is going to cost you money. What am I?
What can travel around the world while staying in a corner?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?