| A | B |
|---|
| Patagonia | a desert in south america; the largest desert in Americas |
| Amasonian Rain Forest | a large tropical rain forest occupying the drainage basin of the Amazon river in northern south America and covering an area of 2,700,00 square miles |
| plateau | large raised area of mostly level land |
| Pampas | Flat grassland regions;used in the southern part of south america, a region similer to the great plains in the USA |
| Andes Mountains | A mountain system extending along the western coast of south america |
| Atacama Desert | a desert in Chile, South America ; the driest place on earth |
| diversify | To add variety; to expand |
| tributary | river or stream that flows into a main river |
| isthmus | narrow stripof land that has water on both sides and joins two larger bodies of water |
| coral | a tiny sea animal ; skeleton of these tiny sea animals that melded together; forming a rock like substance |
| El Nino | a warm ocean current that flows along the western coast of South America;this current influences global weather patterns |
| elevation | height of land above sea level |
| hydroelectricity | electricity produced by rushing water |
