Answer to Question 1
Islamic believers are divided into a variety of faiths and sects such as Sunnis and Shi'is (or Shiites). These divisions sometimes result in antagonisms between the members, just as there are religious rivalries between Christian denominations. The large majority of Muslims in the United States are Sunni Muslimsliterally, those who follow the Sunnah, the way of the prophet. Compared to other Muslims, they tend to be more moderate in their religious orthodoxy. The Shi'is (primarily from Iraq, Iran, and southern Lebanon) are the second-largest group. The two groups differ on who should have been the caliph, or ruler, after the death of the Prophet Muhammad. This disagreement resulted in different understandings of beliefs and practices, concluding in the Sunni and Shi'is worshipping separately from each other. They worship separately even if it means crossing national and linguistic lines to do soprovided there are sufficient numbers of Shi'is to support their own mosque, or masjid.
Answer to Question 2
Answer: D
The two major categories of postsynaptic receptors.
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Some of the major nerves of the human nervous system