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BiologyIntroduction to Paleoanthropology
Paleoanthropology is the study of human ancestry through fossil remains and other evidence. This module...
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Process of ScienceUncertainty, Error, and Confidence
There is uncertainty in all scientific data, and even the best scientists find some degree...
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ChemistryThe Periodic Table of Elements IV
Chemical families are groups of elements that are located near each other on the periodic...
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