Describe the barter system of trade. what are the limitations of this system?

Barter is a system of exchange that does not involve the use of money. It was the manner of conduting trade that was used in ancient civilizations until money was invented in China in the seventh century.

It consists on one party that exchanges goods and services that needs and does not have, for others that that a different party has and does not need. These exchanges require a time-consuming process of finding two parties which are interested in performing each specific exchange, and this was the main limitation of this trade system, that led to the invention of money to be used as a medium of exchange.

what words? are you talking about to complet what sentence

taking a bath requires the most water out of the given options because it takes a significant amount of water in order to fill a bathtub.