Answer:
I am a food with 5 letters. If you remove the first letter I am a form of energy. Remove two and I'm needed to live. Scramble the last 3 and you can drink me down.
What starts with an 'e' and ends with an 'e' but only has one letter?
I am flora not fauna. I am foliage not trees. I am shrubbery not grass.
What can you break even if you never touch it?
I am taken from a mine and shut in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?
I flow from the Homerβs mouth when he sees doughnuts.