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If middle class is used in a manner that includes all persons who are at neither extreme of the social strata, it might still be influential, as such definition may include the "professional middle class", which is then commonly referred to as the "upper middle class". Despite the fact that the professional (upper) middle class is a privileged ...
The Mesozoic Era [3] is the era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceous Periods.It is characterized by the dominance of archosaurian reptiles such as the dinosaurs, and of gymnosperms such as cycads, ginkgoaceae and araucarian conifers; a hot greenhouse climate; and the tectonic break-up of Pangaea.
[46] [48] During the Middle Triassic the scleractinian corals typical of modern oceans appeared. During the Triassic, corals were rare in North America. Nevertheless, some were present on the west coast, although these corals did not congregate into reefs. [49] Ichthyosaurs were one of the most important groups of marine reptiles during the ...
The middle class contains about half of America, according to the Pew Research Center -- 50%, to be exact. Another 21% fall into the upper class and 29% are in the lower class. But what is the ...
Michael Ochs Archives/Getty Images"The Adventures of Ozzie and Harriet" typified America's middle class of several decades ago. Consider a classic-yet-hypothetical photo of grandpa in his work ...
The gap between the middle and upper classes appears to be shrinking. A surprising 51% of Americans made up the middle class as of 2023. If that seems high, however, 61% of Americans identified as ...
Fussell argues that the American middle class has experienced "prole drift" dragging it downward and effectively joining it to the proletarian class. Whereas a university education used to be rarer and a clear class divider separating middles from the high school education of proles, Fussell reports that the vast proliferation of hundreds of mediocre "universities" in the U.S. has rendered ...
During the rifting, South America tore away from North America and headed southward. The ocean flooded into the opening between the two continents, forming the Gulf of Mexico. A record of this rifting event remains as an indelible mark on the landscape called Mississippi Embayment. It is this embayment that ripped the dramatic gap between the ...