wall cycle

  • 121Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …

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  • 122Tron (arcade game) — Infobox VG|width= 280px title= Tron caption= Screenshot of Light Cycles subgame developer= Bally Midway publisher= distributor= Bally Midway designer= series= engine= version= released= 1982 genre= Arcade video game modes= Single player or 2… …

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  • 123mammal — mammallike, adj. /mam euhl/, n. any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg laying monotremes, giving birth to… …

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  • 124United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …

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  • 125Cueva de La Pasiega — Cueva de La Pasiega, or Cave of La Pasiega, situated in the Spanish municipality of Puente Viesgo, is one of the most important monuments of Paleolithic art in Cantabria. It is included in the UNESCO schedule of Human Heritage since July 2008,… …

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  • 126Topic outline of cell biology — [ micrograph of a moss s leaf cells at 400X magnification.] : For a more comprehensive list, see the List of cell biology topics. Cell biology (formerly cytology, from the Greek kytos , container ) is an academic discipline that studies cells –… …

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  • 127annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… …

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  • 128building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …

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