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Geography, 22.06.2019 14:40
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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After considering options, a student using the problem-solving process should next
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Which equations represent the line that is parallel to 3x - 4y = 7 and passes through the point (-4,...
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