Answer: C) Muslims Explanation: The followers of Islam religion is called Muslims.   According to Muslims, God sent prophets to mankind to teach them how to live according to His law. Muhammad is believed by Muslims to be the last prophet sent by God (Allah). The Muslim holy book is called the Quran.

Answer: A) numbers of neutrons Explanation: Isotopes are variations of an element that have the same charge as the original element, but a different mass, which is caused by either more/less neutrons in the nucleus.