Answer:
1. 3,000
2. Anaximander
Explanation:
1. There are over 3,000 different ethnic groups speaking more than 2,100 different languages in all of Africa. The people there practice a variety of religions, including Christianity, Islam, Judaism, Hinduism, and traditional religions specific to their ethnic group.
2. The Greeks are credited with putting map making on a sound mathematical footing. The earliest Greek known to have made a map of the world was Anaximander. In 6th century BC, he drew a map of the then known world, assuming that the earth was cylindrical.