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Methuselah: World’s Oldest Tree ~4780 years old. Gorgosaurus ~ 75 million . years old.-Examine the diagrams below. What are some ways you know to discover how old each depicted organism is?-Tree ring analysis.-Relative Dating: Dinosaurs are older than humans.-Absolute Dating: Decay of isotopes to give a numerical age. Part B: Radioactive Decay ................
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