GEOG 002 Lecture 20: Geo 2 - 10_2
30 Jul 2020
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Document Summary
Union of soviet socialist republics (ussr): the multinational union formed from the. Russian empire in 1922 and dissolved in 1991; commonly known as the soviet union. Caucasia: the mountainous region between the black sea and the caspian sea. Russian federation: russia and its political subunits, which include 21 internal republics. Siberia the territories of russia that are located east of the ural mountains. Permafrost: permanently frozen soil that lies just beneath the surface. Tundra: a treeless area, between the ice cap and the three line of arctic regions, where the subsoil is permanently frozen. Nonpoint sources of pollution: diffuse sources of environmental contamination, such as untreated automobile exhaust, raw sewage, and agricultural chemicals that drain from fields into water supplies. Nomadic pastoralists: people whose way of life and economy are centered on tending grazing animals who are moved seasonally to gain access to the best pastures.
