Which important resource did the empire of Ghana trade its gold for? copper
cotton
ivory
salt

Salt

Explanation:

It said in the edge lessons that the Ghana empire traded for salt because they had little salt and you need salt to survive

salt

All through the era there where many items traded like ivory, copper, and also salt. Also i checked on edge and it was right.

aliens are not real, the myth was created about 700 years ago because people found markings in the field of their crops. also, no there were no aliens on the moon.

hope this ! give brainliest!

d.) continue to rise rapidly