User blog comment:SeddieNumberOneFan/Important, un-answered questions./@comment-3553219-20110604031548

Romans didn't actually understand the concept of zero the way we do today. They understood that if you have one apple and take it away you have nothing (nulla). But if you have nothing why bother counting at all? Its not a number its just nothing. They didn't use a sophisticated decimal number system like we do. The Ancient Greeks understood the concept the way we do today. But the first people to really use zero as part of a decimal number system similar to the way we do today were from India. It took centuries for that knowledge to come west.
 * 1) How do you write zero in Roman numerals?

Why would the Flintstones be celebrating Christmas, they lived at a time before Christ?

Maybe they were celebrating the birth of Jimmy Christrock a totally different person.

Excess water left on its own can lead to mold and doesn't smell great
 * 1) If we are clean after a bath, why do we wash the towel?

* If Donald Duck doesn't wear pants, why does he tie a towel around his waist after the bath? So water doesn't drip all over the floor.