Answer:
The day is their night and the night is their day, when I shout and they shout back I run away.
What grows when it eats, but dies when it drinks?
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?
What is the center of gravity?
If there are three cups of sugar and you take one away, how many do you have?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?