Matching Pairs Our Nation's GeographyOnline version Matching review Chapter 1 by Jeannine Gryn 1 This is the number of people in an area 2 It is where a place is compared to other places 3 Earth's seven largest landmasses 4 This is the reason why people modified rivers and streams 5 The surroundings in which people, plants, and animals live 6 The gradual wearing away of the Earth's surface 7 A region that has similar landform features 8 An area of flat or rolling land covered mostly by grasses 9 This natural process has worn down the Appalachian Mountains 10 This is how the climate of the Southwest differs from the climate of the Northeast 11 This is the relationship between Earth and the sun that causes the seasons 12 This is how people change the land to improve movement of goods and people 13 The kind of weather a place has over a long time 14 This describes states next to each other 15 A group of connected mountains 16 The number of contiguous states 17 It is an area in which many features are similar by digging channels continents mountain range landform region It is hotter and drier the change in the Earth's tilt toward the sun contiguous relative location region climate water was used for drinking and generating electricity environment erosion prairie forty-eight erosion population
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