| A | B |
|---|
| Amazon River | 4,000 mile-long river that flows easward across northern Brazil |
| deforestation | the clearing of trees |
| Amazon Basin | a huge flat flood plain in northern Brazil |
| threatens the Amazon rain forest | deforestation and soil exhaustion |
| strait | a narrow body of water that connects two larger bodies of water |
| El Nino | an ocean weather pattern that affects the Pacific coast |
| elevation | main reason climate varies in the region |
| rain frequency in the Atacama Desert | once every 20 years |
| minerals found in Bolivia | tin, gold, silver, lead, zinc |
| viceroy | governor of a Spanish colony |
| Creoles | American-born descendants of Europeans |
| how people in Peru's first advanced civilization farmed on rugged land | stone terraces built into steep mountainsides |
| number of people in the Inca Empire by the early 1500s | about 12 million people |
| country that has 3 official languages | Bolivia |
| Ancient Inca religious festival still observed today | sun worship festival |
| Peru's first advanced civilization supported this | agriculture |
| Series of ancient designs which can be recognized only from the sky | Nazca lines |
