Answer:
What has a head, a tail, is brown, and has no legs?
In what year did Christmas Day and New Year's Day fall in the same year?
Often found in doctor's offices and pirate flags
What breaks in the water but never on land?
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.