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Read articles, including Science News stories written for ages 9-14, on the SNK website.
STEP-BY-STEP. Maps labeled A, B, and C depict each phase of the new three-step colonization model for the peopling of the Americas. Light-brown areas are exposed seafloor and dark-brown areas are current land. The phrase kya indicates thousands of years. Amerinds are early Americans. Credit: A. Kitchen, M. Miyamoto, Mulligan
Found in: Behavior

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