| A | B |
| Amazon River | flows from Andes to the Atlantic |
| basin | low area surrounded by higher land |
| Grown on Brazilian Highlands | coffee |
| selva | thick rain forests |
| escarpment | a steep cliff between higher and lower land |
| favela | slum area |
| estancia | ranch |
| Portuguese | Brazil's culture |
| pampas | vast, treeless plain |
| gauchos | cowhands |
| hydroelectric power | electricity generated by flowing water |
| llanos | grassy plains (Argentina, Paraguay, Bolivia) |
| altitude | height above sea level |
| caudillo | harsh military rulers |
| Gran Chaco | great forest area in Paraguay |
| Patagonia | dry, windswept plataeu in Argentina |
| 20% | Brazilians living in poverty |
| Falkland Islands | United Kingdom won in a war in 1982 |
| Atacama | driest place on earth |
| Line of demarcation | imaginary line drawn by the Pope |
| Amazon's major land use | forest products |
| Patagonia's major land use | sheep raising |