Medina is the second holiest city in Islam because:
A) it is the geographic center of Islam.
B) it is the place where Muhammad is buried.
C) the Kaaba is located in the Grand Mosque in Medina.
D) it is the place where Muhammad received his first revelation from Gabriel.
Question 2
A Muslim is required to participate in the official pilgrimage to Mecca, called the _____, at least once in his or her lifetime.
A) hajj
B) zakat
C) tshahada
D) sawm