Problem: The term Muslim world, also known as Islamic world and the Ummah (Arabic: , meaning "nation" or "community") has different meanings. In a religious sense, the Islamic Ummah refers to those who adhere to the teachings of Islam, referred to as Muslims. In a cultural sense, the Muslim Ummah refers to Islamic civilization, exclusive of non-Muslims living in that civilization. In a modern geopolitical sense, the term "Islamic Nation" usually refers collectively to Muslim-majority countries, states, districts, or towns.
What civilization does Ummah refer to when used in a religious sense?
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Answer: unanswerable

Problem: The use of alloys by humans started with the use of meteoric iron, a naturally occurring alloy of nickel and iron. It is the main constituent of iron meteorites which occasionally fall down on Earth from outer space. As no metallurgic processes were used to separate iron from nickel, the alloy was used as it was. Meteoric iron could be forged from a red heat to make objects such as tools, weapons, and nails. In many cultures it was shaped by cold hammering into knives and arrowheads. They were often used as anvils. Meteoric iron was very rare and valuable, and difficult for ancient people to work.
What can forged meteoric iron make?
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Answer: tools, weapons, and nails

Problem: Westminster Abbey is a collegiate church governed by the Dean and Chapter of Westminster, as established by Royal charter of Queen Elizabeth I in 1560, which created it as the Collegiate Church of St Peter Westminster and a Royal Peculiar under the personal jurisdiction of the Sovereign. The members of the Chapter are the Dean and four canons residentiary, assisted by the Receiver General and Chapter Clerk. One of the canons is also Rector of St Margaret's Church, Westminster, and often holds also the post of Chaplain to the Speaker of the House of Commons.
Who are the members of the chapter of Westminster?
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Answer:
the Dean and four canons residentiary