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Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.
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Shark is the naming term of all members of Selachimorpha suborder in the subclass Elasmobranchii, in the class Chondrichthyes. The Elasmobranchii also include rays and skates ; the Chondrichthyes also include Chimaeras .
Water wheel used for irrigation in Nubia, painted by David Roberts in 1838 Paddle-driven water-lifting wheels had appeared in ancient Egypt by the 4th century BCE. [ 25 ] According to John Peter Oleson , both the compartmented wheel and the hydraulic noria appeared in Egypt by the 4th century BCE, with the saqiya being invented there a century ...
The wheel takes one minute to complete a revolution, much longer than smaller norias. [10] To drive a wheel bearing such a weight of water, an extraordinarily long weir at a very acute angle was built to concentrate the power of the river on the base of the wheel. This arrangement can be seen clearly on satellite view maps of Hama.
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List of fatal shark attacks in the United States; Jersey Shore shark attacks of 1916 – series of shark attacks along the coast of New Jersey between July 1 and July 12, 1916 [4] Summer of the Shark – the name given to the summer of 2001 by American media outlets capitalizing on a bull shark attack and subsequent shark attacks [5]
Hopefully, you scooped Richards when he made my list last week, but here's another reminder. Richards returned to the Hornets on Saturday, scoring 12 points (3-5 FG, 6-7 FT) with 6 boards, 1 ...
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