A stock exchange occurs in a centralized location, think Wall Street and the Stock Market. An over-the-counter market does not. Over-the-counter markets are considered less formal compared to exchanges. OTCs are less transparent and operate on fewer rules than exchanges. This can be both good and bad for those involved.
Answer:
Developed advanced mathematical skills.
Explanation:
The Aztec and Incan Civilization was part of the ancient civilization that flourished before the arrival of the European in the New World after the discovery of America by Christopher Columbus.
Both of the civilization cultures developed complex mathematical systems and impressive advances in astronomy.
The Aztecs had their form of calculation where they used a base-20 number system.
The Church taught that the Earth was the center of the universe and that the Sun revolved around it. By arguing for a heliocentric (Sun-centered) solar system, Galileo was arguing that the Church was wrong. ... In an attempt to prevent its authority from being eroded, the Church objected strongly to Galileo's theories.