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The less-than sign is a mathematical symbol that denotes an inequality between two values. The widely adopted form of two equal-length strokes connecting in an acute angle at the left, <, has been found in documents dated as far back as the 1560s.
Liquid water and ice emit radiation at a higher rate than water vapour (see graph above). Water at the top of the troposphere, particularly in liquid and solid states, cools as it emits net photons to space. Neighboring gas molecules other than water (e.g. nitrogen) are cooled by passing their heat kinetically to the water.
It is also used in natural gas distribution for measuring utilization pressure (U.P., i.e. the residential point of use) which is typically between 6 and 7 inches WC or about 0.25 lbf/in 2. 1 inAq ≈ 0.036 lbf/in 2 , or 27.7 inAq ≈ 1 lbf/in 2 .
Cryptocurrency prices took a hit from the prospect of a trade war between the U.S. and its major trading partners, with some well-known digital assets and President Donald Trump's own meme coin ...
Mayor Term [1] Samuel D. Holt (1st term) 1838 [2] Jack Thorington: 1839—1840 Hardy Herbet: 1841 Perez Coleman: 1842—1846 Nimrod E. Benson: 1847 Edwin B. Harris ...
Four municipalities border the Mar Menor: Cartagena, Los Alcázares, San Javier and San Pedro del Pinatar. With a surface area of 135 km 2 , a coastal length of 70 km, and warm and clear water no more than 7 metres in depth, it is the largest lagoon in Spain.
Upside-down marks, simple in the era of hand typesetting, were originally recommended by the Real Academia Española (Royal Spanish Academy), in the second edition of the Ortografía de la lengua castellana (Orthography of the Castilian language) in 1754 [3] recommending it as the symbol indicating the beginning of a question in written Spanish—e.g. "¿Cuántos años tienes?"
W was earlier seen as a variant of v , and w as a letter (double-v) is still commonly replaced by v in speech (e.g. WC being pronounced as VC, www as VVV, WHO as VHO, etc.). The two letters were sorted as equals before w was officially recognized, and that practice is still recommended when sorting names in Sweden. [ 14 ]