sodium-carbonate salinization

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chad — /chad/, n. Computers. a small paper disk or square formed when a hole is punched in a punch card or paper tape. [1945 50; orig. uncert.] * * * Chad Introduction Chad Background: Chad, part of France s African holdings until 1960, endured three… … Universalium
Chad — /chad/, n. 1. Lake, a lake in Africa at the junction of four countries: Cameroon, Chad, Niger, and Nigeria. 5000 to 10,000 sq. mi. (13,000 to 26,000 sq. km) (seasonal variation). 2. Official name, Republic of Chad. a republic in N central Africa … Universalium
Egypt — /ee jipt/, n. 1. Arab Republic of. a republic in NE Africa. 64,791,891; 386,198 sq. mi. (1,000,252 sq. km). Cap.: Cairo. Arabic, Misr. Formerly (1958 71), United Arab Republic. 2. an ancient kingdom in NE Africa: divided into the Nile Delta… … Universalium
Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… … Universalium
Aridisols — (or desert soils) are a soil order in USA soil taxonomy. Aridisols (from the Latin aridus , for “dry”) form in an arid or semi arid climate. Aridisols dominate the deserts and xeric shrublands which occupy about one third of the Earth s land… … Wikipedia

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