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Ang nitrous oxide , karaniwang kilala bilang tumatawa na gas o nitrous , ay isang chemical compound, isang oksido ng nitrogen na may formula na N2O. Sa temperatura ng kuwarto, ito ay isang walang kulay na di-nasusunog na gas, na may bahagyang metal na pabango at panlasa. Sa mataas na temperatura, ang nitrous oxide ay isang malakas na oxidizer katulad ng molekular oxygen.
Ang nitrous oxide ay may malaking paggamit ng medisina, lalo na sa operasyon at pagpapagaling ng ngipin, dahil sa pagbabawas ng anestesya at sakit.
An Incan citade in the Andes mountains in Peru. (Above the Urubamba River Valley) The original use of it is not known, but we do know it was built in the 15th century.
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A successful farmyard revolution by the resident animals vs. the farmer goes horribly wrong as the victors create a new tyranny among themselves.
Britain's second animated feature, which, despite the title and Disney-esque animal animation, is in fact a no-holds-barred adaptation of George Orwell's classic satire on Stalinism, with the animals taking over their farm by means of a revolutionary coup, but then discovering that although all animals are supposed to be equal, some are more equal than others...
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