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.
I come without being fetched at night hides away as soon as daylight strikes. Although I may look small I am much mightier than what you can imagine.
A man shaves several times a day, yet he still has a beard. Who is this man?
Wind and cord combine, buzzing in the box. In all this we find, though to some the use is lost. What am I?
I am mother and father, but never give birth or nurse. I'm rarely still, but I never wander. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.