An Explosion of Complexity: The Flowering of Civilization in the New World |  |
Glossary
| chinampas | Artificial islands in lakes and swamps
produced by the Aztecs of central Mexico for intensive
farming.
| | | | | quipu | A record-keeping system of the Inka in which
a series of knotted strings were used as mnemonic
devices to help record keepers keep track of
information.
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2003 McGraw-Hill Higher Education