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Time & cycles - dendrochronology modified with permission from global change: time and cycles, department of the interior, us geological survey, reston, va, usa in this activity, students will use pre-marked paper strips to simulate tree-ring core samples to help them understand that data for past climate changes can be gathered from.
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- Sc7e63 :identify current methods for measuring the age of earth and its parts, including the law of superposition and radioactive dating.
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