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Rapids are sections of a river where the river bed has a relatively steep gradient, causing an increase in water velocity and turbulence. Flow, gradient, constriction, and obstacles are four factors that are needed for a rapid to be created.
The 300-by-700-metre (980 ft × 2,300 ft) quick clay landslide wrecked several houses and killed 10 people. [15] [14] On 23 September 2023, near the town of Stenungsund, Sweden, an area of c. 15 hectares (37 acres) was affected by a quick clay landslide, which among other things damaged the E6 motorway between Gothenburg and Oslo. [16]
[6] [7] [8] Quizlet's blog, written mostly by Andrew in the earlier days of the company, claims it had reached 50,000 registered users in 252 days online. [9] In the following two years, Quizlet reached its 1,000,000th registered user. [10] Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly website. [11]
It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and recognized by the nomenclature codes. An immediately higher rank, superorder, is sometimes added directly above order, with suborder directly beneath order. An order can also be defined as a group of ...
Mile 77.1 – Hance Rapid (8) – Multiple large rocks constrict the channel and form powerful hydraulics; terminus of the Hance Trail. Mile 79.1 – Sockdolager Rapid (7) – (Sockdolager is an archaic slang word for knockout blow.) Mile 82.1 – Grapevine Rapid (7) Mile 84.1 – 83 Mile Rapid (4) Mile 85.3 – Zoroaster Rapid (5) Mile 85.8 ...
In biology, taxonomic rank (which some authors prefer to call nomenclatural rank [1] because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of organisms (a taxon) in a hierarchy that reflects evolutionary relationships.
Sunda Island tiger (P. tigris sondaica), a tiger subspecies native to the Sunda islands [1] In biological classification , subspecies ( pl. : subspecies) is a rank below species , used for populations that live in different areas and vary in size, shape, or other physical characteristics ( morphology ), but that can successfully interbreed.
The uniformity of both specific types of molecules (the biomolecules) and of certain metabolic pathways are invariant features among the wide diversity of life forms; thus these biomolecules and metabolic pathways are referred to as "biochemical universals" [4] or "theory of material unity of the living beings", a unifying concept in biology ...