Answer:
I am a five letter word. If you remove my first letter I am a form of energy. Remove my first two and I am needed to live. Scramble the last three and you can drink me. What am I?
Lighter than what I am made of, more of me is hidden than is seen. What am I?
I am tomorrow's yesterday and yesterday's tomorrow. What am I?
I am always hungry I must always be fed. The finger I lick will soon turn red.
I will go within you and destroy you. Only because you wanted me too
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.