Module 3-Vocabulary Quiz-Lessons 3 & 4

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Terms in this set (33)
grid settlementsa type of settlement that is purposefully laid out with a network of transportation routes; the streets form a grid by running at right angles to each othercommercethe substantial exchange of goods between cities, states, or countriesnatural resourcesmaterials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gainTimbuktuthrived not only as a trading center, but also as a political center because of the different groups that met there to tradecoastal plainlow, flat land that runs along a coastfall linearea along which rivers form waterfalls or rapids as the rivers drop to lower landCorn Beltis located in the midwestern United States and includes Iowa, Illinois, and Indiana, as well as parts of Nebraska, Kansas, Minnesota, and Missouritransportation networksare commonly made of roads, though some places also have networks of water routes or underground subway and train routesterraced farmingan ancient technique for growing crops by cutting steps into hillsides or mountain slopesslash-and-burn agriculturethe practice of burning forest in order to clear land for plantingcenter-pivot irrigationan irrigation technique that uses a sprinkler in the center of a large circular field; the long arms of the sprinkler circle over the field to water cropsfrackinga process that breaks up rock by injecting large amounts of water and chemicals into cracks; forces cracks in the rock to widen, allowing oil and gas to flow outfarmingthe activity or business of growing crops and raising livestocknatural hazardsenvironmental events such as floods, hurricanes, earthquakes, tornadoes, tsunamis, mudslides, volcanic eruptions, and droughtshuman-environment interactiongeographic theme that explores how people use, adapt to, and modify the environmentclimatethe weather conditions prevailing in an area over a long period of timeweatherday-to-day conditions of the atmosphere, including temperature, precipitation, and other factorsnatural disastersgreat destruction or loss of life caused by natural forces rather than by human actionschlorofluorocarbonsgroup of chemical compounds used in refrigerators, air conditioners, foam packaging, and aerosol sprays that may enter the atmosphere and destroy ozonedeforestationremoval of trees faster than the forests can replace themselvesfossil fuelscoal, oil, natural gas, and other fuels that are ancient remains of plants and animalsdesertificationthe process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agricultureEPAan independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment