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81Legal tender — This article is about the payment medium. For the song, see Legal Tender (song). Legal tender is a medium of payment allowed by law or recognized by a legal system to be valid for meeting a financial obligation.[1] Paper currency is a common form …
82Terraforming of Mars — Artist s conception of the process of terraforming Mars. The terraforming of Mars is the hypothetical process by which the climate, surface, and known properties of Mars would be deliberately changed with the goal of making it habitable by humans …
83List of Delaware hurricanes — The following is a list of tropical cyclones that affected the U.S. state of Delaware. Since reliable records began, no tropical cyclone has struck the state while maintaining hurricane intensity, and only two storms since 1851 caused hurricane… …
84Intermittent power source — [ Erie Shores Wind Farm monthly output over a two year period] An intermittent power source is a source of electric power generation that may be uncontrollably variable or more intermittent than conventional power sources, and therefore non… …
85Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
86United States tropical cyclone rainfall climatology — Long term averagesOn average, five tropical cyclones or their remnants lead to rainfall across the contiguous United States each year, contributing around a quarter of the annual rainfall to the southern United States. While many of these storms… …
87North American blizzard of 2008 — The storm near Cleveland, Ohio on March 8, 2008 Storm type: Texas/Gulf Coast Storms Formed: March 6, 2008 Dissipated …
88accounting — /euh kown ting/, n. 1. the theory and system of setting up, maintaining, and auditing the books of a firm; art of analyzing the financial position and operating results of a business house from a study of its sales, purchases, overhead, etc.… …
89blood — bloodlike, adj. /blud/, n. 1. the fluid that circulates in the principal vascular system of human beings and other vertebrates, in humans consisting of plasma in which the red blood cells, white blood cells, and platelets are suspended. 2. the… …
90chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
