Term
| Gulf/Atlantic Coastal Plains |
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Definition
| the flat, lowland area that borders the East Coast of the U.S. and the Gulf of Mexico, which extends north along the Mississippi River. |
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Term
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Definition
| this river is the longest river in Maine and makes up the northern tip of the border between Maine and Canada. |
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Definition
| this river divides the states of Vermont and New Hampshire and is the longest river in New England. |
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Term
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Definition
| this river makes up part of the border between Pennsylvania and New York and the full border between Pennsylvania and New Jersey. |
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Term
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Definition
| a number of cities and suburbs that blend together into one very large urban area. |
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Term
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Definition
| the total number of people in an area. |
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Term
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Definition
| the average number of people per square mile or square kilometer. |
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