vertical planning
61Giant Inverted Boomerang — An overview of Goliath, when it was at Six Flags Magic Mountain. Status In production Cost €20 …
62Overpopulation — Graph of human population from 10,000 BC–2000 AD showing the unprecedented population growth since the 19th century Overpopulation is a condition where an organism s numbers exceed the carrying capacity of its habitat. The term often refers to… …
63permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
64Skyscraper — For other uses, see Skyscraper (disambiguation). A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be… …
65Portland Aerial Tram — City Portland, Oregon Country United States Operated by Oregon Health Science University Type …
66JEL classification codes — Articles in journals are usually classified according to the system used by the Journal of Economic Literature (JEL). The JEL is published quarterly by the American Economic Association and contains survey articles and information on recently… …
67Chicago Board of Trade Building — U.S. N …
68marketing — /mahr ki ting/, n. 1. the act of buying or selling in a market. 2. the total of activities involved in the transfer of goods from the producer or seller to the consumer or buyer, including advertising, shipping, storing, and selling. [1555 65;… …
69Engineering Projects — ▪ 1995 Introduction BRIDGES Notable Engineering Projects(For Notable Engineering Projects in work, see Table (Notable Engineering Projects).) As the decade of the 1990s reached its midpoint, the limits to bridge design were being… …
70nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
