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Sedimentary rocks are formed when sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension.

This sediment is often formed when weathering and erosion break down a rock into loose material in a source area.

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Carl Ortwin Sauer was an American geographer. Sauer was a professor of geography at the University of California at Berkeley from 1923 until becoming professor emeritus in 1957.

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The German sociologist Max Weber was the first to formally study bureaucracy and his works led to the popularization of this term.

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The word 'democracy' has its origins in the Greek language. It combines two shorter words: 'demos' meaning whole citizen living within a particular city-state and 'kratos' meaning power or rule.

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The Federal Assembly consists of the State Duma, which is the lower house, and the Federation Council, which is the upper house. Both houses are located in Moscow.

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British geographer Halford Mackinder reintroduced the concept of geopolitics to international politics via his Heartland Theory.

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Motivating people starts with understanding their needs. As individuals, we do things to satisfy needs within ourselves.

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A criminal is harassed and tortured until he confesses. This is an example of Negative reinforcement

Negative reinforcement is a method that can be used to help teach specific behaviours. With negative reinforcement, something uncomfortable or otherwise unpleasant is taken away in response to a stimulus.