Answer:
I am always hungry I must always be fed. The finger I lick will soon turn red.
I ask no questions, but receive a lot of answers. What am I?
I contain five little items of an everyday sort. You can find all five in a tennis court.
Travel a mile and I will change, travel a million and I will end as I started. What am I?
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
No matter how little or how much you use me, you change me every month.