saline regime of soil
61Snake River Plain (ecoregion) — The Snake River Plain ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency (EPA) in the U.S. states of Idaho and Oregon. It follows the Snake River across Idaho, stretching roughly convert|400|mi|km|… …
62Tigris–Euphrates river system — Tigris Euphrates river system Marsh Arabs poling a mashoof in the marshes of southern Iraq Ecology Ecozone …
63Agriculture in Australia — is a major industry. 402,000 people are employed in agriculture and agriculture related services, and agriculture accounts for approximately 3% of Australia’s GDP. Until the late 1950s agriculture accounted for up to 80% of Australia s export… …
64Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
65slavery — /slay veuh ree, slayv ree/, n. 1. the condition of a slave; bondage. 2. the keeping of slaves as a practice or institution. 3. a state of subjection like that of a slave: He was kept in slavery by drugs. 4. severe toil; drudgery. [1545 55; SLAVE… …
66History of Missouri — The history of Missouri begins with France claiming the territory and selling it to the U.S. in 1803. Statehood came following a compromise in 1820. Missouri grew rapidly until the Civil War, which saw numerous small battles and control by the… …
67Mallee (biogeographic region) — The IBRA regions, with Mallee in red Mallee, also known as Roe Botanical District, is a biogeographic region in southern Western Australia. Located between the Esperance Plains, Avon Wheatbelt and Coolgardie regions, it has a low, gently… …
68Sierra Leone — Sierra Leonean /lee oh nee euhn/. /lee oh nee, lee ohn / an independent republic in W Africa: member of the Commonwealth of Nations; formerly a British colony and protectorate. 4,891,546; 27,925 sq. mi. (72,326 sq. km). Cap.: Freetown. * * *… …
69Hypoxia (environmental) — Hypoxia, or oxygen depletion, is a phenomenon that occurs in aquatic environments as dissolved oxygen (DO; molecular oxygen dissolved in the water) becomes reduced in concentration to a point where it becomes detrimental to aquatic organisms… …
70Grenada — Infobox Country native name = Grenada common name = Grenada national motto = “Ever Conscious of God We Aspire, Build and Advance as One People”lower|0.3em| [cite web |url=http://www.gov.gd |title=Government of Grenada Website |accessdate=2007 11… …
