plateau length
81Retreat of glaciers since 1850 — The retreat of glaciers since 1850, worldwide and rapid, affects the availability of fresh water for irrigation and domestic use, mountain recreation, animals and plants that depend on glacier melt, and in the longer term, the level of the oceans …
82Geography of the People's Republic of China — China is the 3rd or 4th largest country in the world (depending on whether all PRC administered areas are included or not see List of countries and outlying territories by total area) and the one with the most people. It stretches about 5,000… …
83Économie du Tibet — Marché de produits agricoles à Lhassa. L’économie de l’ancien Tibet était dominée par une agriculture de subsistance[citation nécessaire]. Selon la Mission permanente de la République popula …
84List of Russian explorers — The Russian Empire at its peak in 1866, including the spheres of influence; this territorial expansion largely corresponds to the extent of contiguous exploration by Russians. This is a list of explorers from the Russian Federation, Soviet Union …
85Geography of Africa — Africa is a continent comprising 61 political territories (including 53 countries), representing the largest of the great southward projections from the main mass of Earth s surface. It includes, within its remarkably regular outline, an area of… …
86Geography of Paraguay — Shaded relief map of Paraguay …
87Calculus of variations — is a field of mathematics that deals with extremizing functionals, as opposed to ordinary calculus which deals with functions. A functional is usually a mapping from a set of functions to the real numbers. Functionals are often formed as definite …
88Colorado River — This article is about the river that flows through the Grand Canyon. For other rivers named Colorado, see Colorado River (disambiguation). Coordinates: 31°39′N 114°38′W / 31.65°N 1 …
89Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
90South America — South American. a continent in the S part of the Western Hemisphere. 271,000,000; ab. 6,900,000 sq. mi. (17,871,000 sq. km). * * * Continent, Western Hemisphere. The world s fourth largest continent, it is bounded by the Caribbean Sea to the… …
