Answer:The main items traded were gold and salt. The gold mines of West Africa provided great wealth to West African Empires such as Ghana and Mali.
Explanation:
Answer:
Arctic islands were closer to the equator in the past.
Explanation:
Tropical plant fossils have been found in cold Arctic islands where they cannot survive in the present-day climate of this area. This is as a result of Pangea, since there were connection that exist between all landmasses and the equator for the past 200 billion years so the ancient tropical plants could survive Arctic islands very well because Arctic islands were closer to the equator in the past.