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Sonic the Hedgehog [a] [1] is a blue anthropomorphic hedgehog and the main protagonist of the series. Developed as a replacement for their existing Alex Kidd mascot, as well as Sega's response to Mario, his first appearance was in the arcade game Rad Mobile as a cameo, before making his official debut in Sonic the Hedgehog (1991).
Fog particles are around 10–50 μm (0.00039–0.00197 in) long. To help compare different orders of magnitude , this section lists lengths between 10 −5 m and 10 −4 m (10 μm and 100 μm). 10 μm – width of cotton fibre [ 93 ]
A concept vehicle for the then upcoming Q5, this was a 2-door convertible with a 3.0 TDI engine rated at 240 PS (177 kW; 237 hp) and 500 N⋅m (369 lbf⋅ft) torque, quattro permanent four wheel drive, 8-speed automatic transmission, Copper Sunset body, LED headlights, 21-inch wheels with 265/35R21 tyres, seats with White Stone leather upholstery, MMI, 505W Bang & Olufsen sound system and ...
An early Hughes YAH-64 prototype with T-tail. After the AH-56 Cheyenne was cancelled in 1972 in favor of projects like the U.S. Air Force A-10 Thunderbolt II and the Marine Corps AV-8A Harrier, the United States Army sought an aircraft to fill an anti-armor attack role that would still be under Army command.
This method of classification, despite being artificial, [123] was used extensively for the following seven decades, before being replaced by the system of another botanist. [ 126 ] Antoine Laurent de Jussieu (1748–1836) was a French botanist whose 1787 work Genera plantarum: secundum ordines naturales disposita set out a new method for ...
Liquid carbon dioxide is a good solvent for many lipophilic organic compounds and is used to decaffeinate coffee. [137] Carbon dioxide has attracted attention in the pharmaceutical and other chemical processing industries as a less toxic alternative to more traditional solvents such as organochlorides. It is also used by some dry cleaners for ...