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