Answer:
I lose my head in the morning and regain it back at night. What am I?
I've been around for millions of years, but I am no more than a month old. What am I?
I am a rock group that has 4 members, all of whom are dead, one of which was assassinated. What am I?
I get wet when drying. I get dirty when wiping.
Poor people have it. Rich people need it. If you eat it you die. What is it?
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.