Stratosphere around at midlatitudes, and at about at the poles. Temperatures range from an average of near the tropopause to an average of near the mesosphere. Stratospheric temperatures also vary within the stratosphere as the seasons change, reaching particularly low temperatures in the polar night (winter). Winds in the stratosphere can far exceed those in the troposphere, reaching near in the Southern polar vortex. The mechanism describing the formation of the ozone layer was described by British mathematician Sydney Chapman in 1930. Molecular oxygen absorbs high energy sunlight in the UV-C region, at wavelengths shorter than about 240 nm. Radicals produced
Dark Sun: Wake of the Ravager "PC Gamer UK"s Andy Butcher called the game a "missed opportunity", but he remarked that it was "still fun if you have the patience." According to GameSpy, ""Wake of the Ravager" sported enhanced graphics and larger character sprites as well as a number of huge, game-stopping bugs which ensured that for most gamers, The Dragon's lackey still waits to be defeated". Dark Sun: Wake of the Ravager Dark Sun: Wake of the Ravager is a role-playing video game developed and published by Strategic Simulations in 1994 for the MS-DOS operating system. It is the sequel to "". "Wake of the