Answer:
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
What has 4 fingers and a thumb but is not living?
I only exist when you are here. Where you never were I can never be.
I am easy to see but no one likes looking at me. Without me there would be no you. I can make you complain or make you happy. But you almost always take me for-granted.
I am a red drum which sounds without being touched, and grows silent, when touched. What am I?
Give it food and it will live, give it water and it will die.