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?
Kings and queens may cling to power and the jester's got his call. But as you may discover the common one outranks them all. What am I?
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?
I'm written with two letters, said with one and seen with two. What am I?
I am made by nature soft as silk; A puffy cloud white as milk; Snow tops this tropical crop; The dirtiest part of a mop.
No matter how little or how much you use me, you change me every month.