In the picture to the right iron filings have been sprinkled around a bar magnet. The iron filings outline the magnetic field lines, making it visible. Magnetic fields all have a pair of "poles", from which "lines of force" or magnetic field lines appear to originate.
Answer: Today, about 93% of Arabs are adherents of Islam, and there are sizable Christian minorities. Arab Muslims primarily belong to the Sunni, Shiite, Ibadi, and Alawite denominations.
