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Some minerals in rocks and organic matter (e.g., wood, bones, and shells) can contain radioactive isotopes. The abundances of parent and daughter isotopes in a sample can be measured and used to determine their age. This method is known as radiometric dating.
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Answer: Havana Harbor, when the USS Maine was attacked by explosion 1898. This war only lasted 10 weeks
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As you fall, it pulls you toward the earth, or in the case of cliff diving, toward the water, at a speed of 32 feet per second per second (9.8 meters per second per second).
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Without a doubt, he left a lasting legacy on the world but perhaps not all of his and decide for yourself if Columbus should still be a celebrated figure today.
