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Transportation , Transportation systems move goods and people around the world. Physical distribution of goods is accomplished by various means: truck, railroad, airp… beanbag , bean·bag / ˈbēnˌbag/ • n. 1. a small bag filled with dried beans and typically used in children's games. ∎ Football a square of colored plastic with… Unicycle , Background
A unicycle is a single-wheeled vehicle traditionally used during circus performances. It consists of a spoke wheel, pedals, and a tube sha… Facilitated Diffusion , facilitated diffusion The transport of molecules across the plasma membrane of a living cell by a process that involves a specific transmembrane carr… Toilets , Toilet
Background
A system for dealing with excrement is necessary in every human community, and the need becomes more pressing the more densely popu… Cuesta , cuesta An asymmetric land-form that consists of a steep scarp slope and a more gentle dip (or back) slope. It is typical of areas underlain by strata…
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