How did the columbian exchange impact north america and europe? in your opinion, how would the world be different if the columbian exchange never happened?

do not plagiarize, and write at least 5 complete sentences.

Sole i will mark brainlist to who answer

What do the discoveries of shells used in jewelry and a huge dredged canal tell us about the indus valley civilization?

Historians believe that animals drawn in cave paintings during the paleolithic era could have represented each of the following except a a. successful hunt b. domesticated pet c. god that was worshipped d. way to obtain an animal's spirit select the best answer from the choices provided