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Geography, 22.06.2019 14:40, thezbell
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
Answers: 2
Geography, 22.06.2019 15:00, josephrosanne18
How did the lab activities you answer the lesson question: what effect does plate movement have on geologic events and structures at earthβs surface? what did you learn from conducting this lab?
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Geography, 22.06.2019 21:40, texas101st78
Find the equation of the line passing through the point (β1, 5) and perpendicular to the line 3x + y = 4.
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Geography, 23.06.2019 12:50, kellinvagneur
Suggest 3 different reasons why there is an ageing population in the uk .
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