Answer:
I am whole but incomplete. I have no eyes yet I see. You can see and see right through me. My largest part is one fourth of what I once was.
You buy me to eat, but never eat me. What am I?
I can be found in water but never wet
Bright as diamonds, loud as thunder, never still, a thing of wonder. What am I?
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.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.