below-freezing-temperature chamber
21cañada — /keuhn yah deuh, yad euh/, n. Chiefly Western U.S. 1. a dry riverbed. 2. a small, deep canyon. [1840 50; < Sp, equiv. to cañ(a) CANE + ada n. suffix] * * * Canada Introduction Canada Background: A land of vast distances and rich natural resources …
22Canada — /kan euh deuh/, n. a nation in N North America: a member of the Commonwealth of Nations. 29,123,194; 3,690,410 sq. mi. (9,558,160 sq. km). Cap.: Ottawa. * * * Canada Introduction Canada Background: A land of vast distances and rich natural… …
23Dallas — This article is about the city in the U.S. state of Texas. For other uses, see Dallas (disambiguation). Dallas, Texas   City   Dallas …
24Raleigh, North Carolina — For other uses of this name, see Raleigh. Raleigh   State Capital   City of Raleigh …
25Weathering — This article is about weathering of rocks and minerals. For weathering of polymers, see Polymer degradation and Weather testing of polymers. Weathering is the breaking down of rocks, soils and minerals as well as artificial materials through… …
26South Africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 42,327,458; 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town. Formerly, Union of South Africa. * * * South Africa Introduction South Africa… …
27Phoenix, Arizona —   City   Images, from top, left to right: Downtown Phoenix skyline, Saint Mary s Basilica, Arizona Biltmore Hotel, T …
28turkey — /terr kee/, n., pl. turkeys, (esp. collectively) turkey. 1. a large, gallinaceous bird of the family Meleagrididae, esp. Meleagris gallopavo, of America, that typically has green, reddish brown, and yellowish brown plumage of a metallic luster… …
29Turkey — /terr kee/, n. a republic in W Asia and SE Europe. 63,528,225; 296,184 sq. mi. (767,120 sq. km). (286,928 sq. mi. (743,145 sq. km) in Asia; 9257 sq. mi. (23,975 sq. km) in Europe). Cap.: Ankara. Cf. Ottoman Empire. * * * Turkey Introduction… …
30Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… …
