What economic system is characterized by in exchange of one product for another
1. Currency
2. Barter
3. Loan
4. Free market
According to the theory of continental Draft, what was the original state of the world’s countries?
1. They were gathered into two separate land masses one at the North Pole and one at the South Pole.
2. the continents were separate as they are now
3. What countries were joined into one landmass known as Pangaea
4. The countries were underwater and later rose as a result of shifting Titanic plates