| A | B |
|---|
| contiguous | next to each other |
| region | an area in which many features are similar |
| relative location | where somewhere is as compared to other places |
| continent | large land mass on Earth |
| population | number of people |
| absolute location | exact location |
| line of latitude | lines on a map or globe that run east and west |
| parallel | another word for line of latitude |
| line of longitude | lines on a map or globe that run north and south |
| meridian | another word for lines of longitude |
| landform region | a region that has similar landforms throughout |
| climate | the kind of weather a place has over a long time |
| mountain range | group of connected mountains |
| erosion | gradual wearing away of Earth's surface |
| prairie | an area of flat or rolling land covered mostly by grasses |
| environment | the surroundings in which people, plants, and animals live |
| inlet | an area of water extending into the land from a larger body of water |
| gulfs | the largest inlets |
| sound | a long inlet that separates offshore islands from the mainland |
| tributary | a stream or river that flows into a larger stream or river |
| river system | the rivers and its tributaries |
| drainage basin | the land drained by a river system |
| fall line | a place where the land drops sharply, causing rivers to form waterfalls or rapids |
| elevation | the height of the land in relation to sea level |
| natural vegetation | plant life that grows naturally in a place |
| arid | dry |
| tundra | cold, dry region |
| land use | how the land is used |
| natural resource | something found in nature that people can use |
| renewable resources | resources that can be made again by people or nature |
| nonrenewable resources | resources that cannot be made again by people, or resources that take thousands of years for nature to replace |
| modify | to change |
| irrigation | the use of canals, ditches, or pipes to move water |
| efficiency | using less energy to do the same tasks |
| decade | a period of 10 years |
| century | a period of 100 years |
| millenium | a period of 1,000 years |
