Chapter 2 VocabularyArid: dry or lacking rainfall; climate zone that is hot and dry all year with little rainClimate: the pattern of weather over a long period of timeClimate zone: a large area of Earth with a particular pattern of weatherDesert: a geographic region with too little rainfall to support much plant life; also a vegetation zone

Economic activity: any action that relates to the making, buying, and selling of goods and servicesElevation: the height of the land above sea levelFossil fuel: any fuel, such as petroleum, coal, and natural gas, that is made from the remains of prehistoric plants and animalsHumid continental: a climate zone with warm, rainy summers and cool, snowy wintersHydroelectric power: electricity that is generated from the power of moving waterLandform: any natural feature of the Earth’s surface that has a distinct shape

Land use: the ways in which people use a particular area of Earth’s surface; for example, for farming, development, or preservationNatural resource: a useful material that is found in nature, such as water, wood, coal, or oilPhysical feature: any natural characteristic of Earth’s surface, such as landforms and bodies of waterPlateau: raised area of land, such as a hill or mountain, with a flat topPopulation density: the average number of people who live in a unit of area, such as a square mile. Population density measures how crowded an area is.

Precipitation: moisture that falls from the sky as rain, snow, sleet, or hailRegion: an area defined by one or more natural or cultural characteristics that set it apart from other areasStrait: a narrow passage of water connecting two large bodies of waterThematic map: a map that shows a particular theme, or topicVegetation: all the plants and trees in an areaVegetation zone: a large area of Earth with a mix of plants and trees that are adapted to similar conditions