Population distribution - The way in which people are spread across a given area, Population density - The concentration of individuals within a species in a specific geographic locale., Population - The number of people in a single area, Life expectancy - The age a person can expect to live based on the statistical average for an area., Rural area - An open swath of land that has few homes or other buildings, and not very many people., Urban area  - The region surrounding a city, Urbanisation - The increase in the proportion of people living in towns and cities., 1760 - The start of the industrial revolution , slums - A squalid and overcrowded urban street or district inhabited by very poor people, Sustainable  - The practice of using natural resources responsibly,

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