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Which of the following statements about the migration of workers to other countries is false?
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Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite
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How could a geologist match the rock layers in one area to rock layers found in another area...
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