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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, 23.06.2019 10:40
Maria is going to a hiking trip this weekend. she has been busy shopping for the trip. which of these items that she bought are a want for her?
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Geography, 23.06.2019 21:50
Name the peninsula that separates the bering sea from the sea of okhotsk?
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Geography, 24.06.2019 09:30
The figure is a square. its diagonals meet to form four right angles. what is the approximate value of x? 2.8 units 3.3 units 4.0 units 5.7 units
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How is the distribution of mineral resources in the pacific islands related to how different islands...
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