| A | B |
|---|
| plateau | a large, raised area of mostly level land |
| isthmus | a narrow strip of land that has water on both sides and joins two larger bodies of land |
| coral | rock-like substance formed of skeletons of tiny sea animals |
| pampas | region of plains in Argentina, Uruguay, and Brazil |
| tributary | river or stream that flows into a larger river |
| El Nino | a warm ocean current that flows along the western coast of South America and affects weather patterns |
| elevation | the height of land above sea level measured in feet or meters |
| hydroelectricity | electricity generated by moving water |
| diversify | to add variety, like adding a different crop to a farming industry or a business to a country's economy |
