2. Economy: What two major resources were equally valued and traded in Ghana?
A:Gold and salt

B:Salt and silk

C:Goats and goat milk

D:Camels and iron

A

Explanation:

Salt and gold were traded as equal value. Replenished through diet, salt is needed to survive in order to replace lost salt from sweating. Salt was also used to preserve food and it made food taste better.

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.

i believe the answer is bartolomeo dias