| A | B |
|---|
| geologic | earth structure and history |
| estuary | where a river joins a sea |
| fertile | soil in which plants grow easily |
| pampas | flat area of land in Argentina |
| tropical | region of the Earth that is located between the Tropic of Cancer and the Tropic of Capricorn |
| fluvial basin | land carved into the shape of a basin by the movement of a river |
| irrigation | watering of the land and crops using aquaducts (man made channels) |
| equator | imaginary line midway between Earth's north and south poles |
| evaporate | to change a liquid into a gas |
| native | a person, place or animal that belongs to a certain place |
| yam | a tropical root plant that can be eaten |
| textile | any material woven from spun threads such as wool or cotton |
| archaeologist | a person who studies the past by searching for or examining artifacts |
| the Chavin | ancient Peruvian culture that mastered farming and building techniques |
| the Paracas | ancient Peruvian culture that performed complicated skull operations |
| Quechua | second official language of modern Peru |
| the Nazca | ancient culture of desert artists that made huge land drawings seen only from the air, (huge) |
| the Moche | built the Pyramid of the Sun out of adobe |
| the Olmec | ancient Mexican culture that made large heads of stone and learned to farm flooded land areas |
| the Zapotec | ancient Mexican highland culture that used irrigation techniques |
