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Over the years a variety of record equalization practices emerged and there was no industry standard. For example, in Europe recordings for years required playback with a bass turnover setting of 250300 Hz and a treble roll-off at 10,000 Hz ranging from 0 to 5 dB or more. In the US there were more varied practices and a tendency to use higher bass turnover frequencies such as 500 Hz as well as a greater treble rolloff like 8.5 dB and even more to record generally higher modulation levels on the record.

In which country was the treble roll off greater?
Answer: US
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al-Qarawiyin University in Fez, Morocco is recognised by many historians as the oldest degree-granting university in the world, having been founded in 859 by Fatima al-Fihri. While the madrasa college could also issue degrees at all levels, the jamiahs (such as al-Qarawiyin and al-Azhar University) differed in the sense that they were larger institutions, more universal in terms of their complete source of studies, had individual faculties for different subjects, and could house a number of mosques, madaris, and other institutions within them. Such an institution has thus been described as an "Islamic university".

What types of teachers were at al-Qarawiyin University?
Answer: individual faculties for different subjects
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83% of the total population adheres to Christianity, making it the most common religion in Swaziland. Anglican, Protestant and indigenous African churches, including African Zionist, constitute the majority of the Christians (40%), followed by Roman Catholicism at 20% of the population. On 18 July 2012, Ellinah Wamukoya, was elected Anglican Bishop of Swaziland, becoming the first woman to be a bishop in Africa. 15% of the population follows traditional religions; other non-Christian religions practised in the country include Islam (1%), the Baha'i Faith (0.5%), and Hinduism (0.2%). There are 14 Jewish families.

Which religious belief is most prevelant in Swaziland?
Answer:
Christianity