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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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Geography, 22.06.2019 20:30
Me answer as many as you can what percentage more of water is used to provide us with electricity versus for irrigation? do we use more freshwater in our homes or to provide us with electricity?
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Geography, 23.06.2019 02:00
Ray lo bisects nlm, lm=18, no=4, and ln=10. what is the value of x?
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"Slab pull" is a type of tectonic plate movement that occurs due to the forces of mantle convection...
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