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All Iranian languages are descended from a common ancestor, Proto-Iranian. In turn, and together with Proto-Indo-Aryan and the Nuristani languages, Proto-Iranian descends from a common ancestor Proto-Indo-Iranian. The Indo-Iranian languages are thought to have originated in Central Asia. The Andronovo culture is the suggested candidate for the common Indo-Iranian culture ca. 2000 BC.

From where did Iranian languages originate?
Answer: Proto-Iranian
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In 1955, DC Sinclair and G Weddell developed peripheral pattern theory, based on a 1934 suggestion by John Paul Nafe. They proposed that all skin fiber endings (with the exception of those innervating hair cells) are identical, and that pain is produced by intense stimulation of these fibers. Another 20th-century theory was gate control theory, introduced by Ronald Melzack and Patrick Wall in the 1965 Science article "Pain Mechanisms: A New Theory". The authors proposed that both thin (pain) and large diameter (touch, pressure, vibration) nerve fibers carry information from the site of injury to two destinations in the dorsal horn of the spinal cord, and that the more large fiber activity relative to thin fiber activity at the inhibitory cell, the less pain is felt. Both peripheral pattern theory and gate control theory have been superseded by more modern theories of pain[citation needed].

What does the gate control theory specify the diameter of which is responsible for the amount of pain sensation?
Answer: nerve fibers
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In mid-November The Shevchenko Ukrainian Language Society was officially registered. On November 19, 1989, a public gathering in Kiev attracted thousands of mourners, friends and family to the reburial in Ukraine of three inmates of the infamous Gulag Camp No. 36 in Perm in the Ural Mountains: human-rights activists Vasyl Stus, Oleksiy Tykhy, and Yuriy Lytvyn. Their remains were reinterred in Baikove Cemetery. On November 26, 1989, a day of prayer and fasting was proclaimed by Cardinal Myroslav Lubachivsky, thousands of faithful in western Ukraine participated in religious services on the eve of a meeting between Pope John Paul II and Soviet President Gorbachev. On November 28, 1989, the Ukrainian SSR's Council for Religious Affairs issued a decree allowing Ukrainian Catholic congregations to register as legal organizations. The decree was proclaimed on December 1, coinciding with a meeting at the Vatican between the pope and the Soviet president.

Where was Gulag Camp No. 36 located?
Answer:
Perm in the Ural Mountains