Answer:
I am always hungry, I must always be fed. The finger I lick will soon turn red.
With head without hair. With mouth without tooth.
It is greater than God and more evil than the devil. The poor have it, the rich need it, and if you eat it you'll die.
I count time, but have no end. Tick tick, but I am not a clock. What am I?
Runs smoother than any rhyme, loves to fall but cannot climb.
The warmer I am the fresher I am.