natural boundary
61Camley Street Natural Park — is an urban nature reserve near King s Cross in central London and within the London Borough of Camden. Comprising convert|0.8|ha|acre|0|lk=on of land on the banks of the Regent s Canal ndash; near St Pancras Lock, the park is a sanctuary for… …
62GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …
63climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
64Geography of China — Topography of China. Longsheng Rice Terrac …
65Geography 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… …
66Boundaries between continents — Color coded map of continents:      Africa       …
67Geography of the Soviet Union — The Soviet Union was located in the middle and northern latitudes of the Northern Hemisphere. Slightly less than 2.5 times the landmass of the United States, it was a continental sized country only slightly smaller than the whole of North America …
68Calculus 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 …
69geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …
70Geography of Russia — The Russian Federation stretches across much of the north of the super continent of Eurasia. Because of its size, Russia displays both monotony and diversity. As with its topography, its climates, vegetation, and soils span vast distances.cite… …
