The answer is petroleum deposits
Answer:
North Africa by Muslim Arabs in the 7th century CE, Islam spread throughout West Africa via merchants, traders, scholars, and missionaries, that is largely through peaceful means whereby African rulers either tolerated the religion or converted to it themselves.May 10, 2019
Explanation:
If its true or false, its true and it's called acupuncture
It relieves pain and more.
Mecca and Medina at the start of the 7th century
