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Pages in category "English-language YouTube channels" The following 169 pages are in this category, out of 169 total. This list may not reflect recent changes .
List of current and past men's and women's tennis tournaments. Criteria for inclusion: The tournament is notable enough to have its own article on Wikipedia; Historic tournaments are included if notability can be established by reliable third-party sources (references needed)
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YouTube originally offered videos at only one quality level, displayed at a resolution of 320×240 pixels using the Sorenson Spark codec (a variant of H.263), [29] [30] with mono MP3 audio. [31] In June 2007, YouTube added an option to watch videos in 3GP format on mobile phones. [32]
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Ants (family Formicidae in the order Hymenoptera) are the most species-rich of all social insects, with more than 12,000 described species and many others awaiting description. [1] Formicidae is divided into 21 subfamilies , of which 17 are extant and four subfamilies are extinct , described from fossils .
Delta is designed to help candidates to develop as teachers and progress to new career opportunities. It is regulated at Level 7 of the Qualifications and Credit Framework for England, Wales and N. Ireland [4] and is suitable for teachers at Developing or Proficient level on the Cambridge English Teaching Framework. [5]