saline lands
21Geography of Western Australia — Western Australia occupies nearly one third of the Australian continent.Due to the size and the isolation of the state, considerable emphasis has been made of these features; it is the second largest administrative territory in the world, after… …
22Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
23Saint Barthélemy — For the Saint, see Bartholomew the Apostle. For other uses, see St. Bartholomew s (disambiguation). Collectivity of Saint Barthélemy Collectivité de Saint Barthélemy …
24Principal national parks of the world — ▪ Table Principal national parks of the world Africa Europe and Russia Asia North America and the Caribbean Australia and Oceania South America Africa country national park date area description protected status national park status square miles… …
25inland water ecosystem — ▪ biology Introduction complex of living organisms in free water on continental landmasses. Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… …
26Mediterranean Sea — a sea surrounded by Africa, Europe, and Asia. 2400 mi. (3865 km) long; 1,145,000 sq. mi. (2,965,550 sq. km); greatest known depth 14,436 ft. (4400 m). Also called Mediterranean. * * * Inland sea enclosed by Europe, Africa, and Asia. Its west east …
27Osage Treaty (1825) — The Osage Treaty (also known as the Treaty with the Osage) was signed in what became Council Grove, Kansas, on June 2, 1825 between William Clark on behalf of the United States and members of the Osage Nation. The accord contained fourteen… …
28Iran — /i ran , i rahn , uy ran /, n. a republic in SW Asia. 67,540,002; ab. 635,000 sq. mi. (1,644,650 sq. km). Cap.: Teheran. Formerly (until 1935), Persia. * * * Iran Introduction Iran Background: Known as Persia until 1935, Iran became an Islamic… …
29Drainage system (agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production. Contents 1 Classification 1.1 Surface drainage systems 1.2 Subsurface drainage systems …
30Carbon sink — A carbon sink is reservoir of carbon that accumulates and stores carbon for an indefinite period. The main natural sinks are: # Absorption of carbon dioxide by the oceans # Photosynthesis by plants and algae The process by which carbon sinks… …
