upward gradient
41Scientology — Infobox Organization size = 120px caption = The Scientology Symbol is composed of the letter S that stands for Scientology and the ARC and KRC triangles, two important concepts in Scientology name = Scientology formation = 1953 type = Religious / …
42Suspension bridge — This article is concerned with a particular type of suspension bridge, the suspended deck type.:For an index to the several types see suspension bridge types.:For the Gladiators event, see Suspension Bridge (Gladiators). A suspension bridge is a… …
43sun — sunlike, adj. /sun/, n., v., sunned, sunning. n. 1. (often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93… …
44Low-pressure area — This depiction of the Hadley cell shows the process which sustains low pressure areas. Diverging winds aloft allow for lower pressure and convergence at the Earth s surface, which leads to upward motion. A low pressure area, or low , is a region… …
45Cold front — For the Star Trek: Enterprise episode, see Cold Front (Star Trek: Enterprise). For the G.I. Joe character, see Cold Front (G.I. Joe). The symbol of a cold front: a blue line with triangles pointing in the direction of travel A cold front is… …
46GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …
47Buoyancy — The forces at work in buoyancy In physics, buoyancy (  / …
48cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
49tornado — tornadic /tawr nad ik, nay dik/, adj. tornadolike, adj. /tawr nay doh/, n., pl. tornadoes, tornados. 1. a localized, violently destructive windstorm occurring over land, esp. in the Middle West, and characterized by a long, funnel shaped cloud… …
50United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
