Stone Age, prehistoric cultural stage, or level of human development, characterized by the creation and use of stone tools, the oldest known of which date to some 3.3 million years ago. The Stone Age is usually divided into three separate periods: Paleolithic, Mesolithic, and Neolithic.
“Under this method, the theory that the world is flat is true if one uses only eyesight data and does not consider the voluminous other evidence that it is round.”
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