Answer:
The Columbian Exchange: goods introduced by Europe, produced in New World. As Europeans traversed the Atlantic, they brought with them plants, animals, and diseases that changed lives and landscapes on both sides of the ocean. These two-way exchanges between the Americas and Europe/Africa are known collectively as the Columbian Exchange.
Explanation:
Answer:
yes
Explanation:
in 7000 BC the Dravidians migrated to the Indus River Valley
Yes they are on the upper and lower half's of the world
