What is the transfer and exchange of goods, plants and animals from one continent to another?

Why are primary sources important when studying historical events

Plz which of the following provisions of the compromise of 1850 was designed to appeal to slave states? a. congress passed a strict fugitive slave law. b. the slave trade was banned in washington dc. c. texas agreed to give away some of its land so that the territory would be available for future states. d. california was admitted to the union as a free state.

The car market is an example of because it has few sellers who offer differentiated products. a.oligopoly b.monopoly c.monopolistic competition