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Simple environmental engineering gis project ideas? !
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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
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Geography, 22.06.2019 17:30, mooncake9090
Asegment whose endpoints are points on the edge of the circle are whatps: i ment to put this under geometry i apologize ; ;
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Geography, 22.06.2019 21:30, heastonk9136
How much water is in the ocean in cubic kilometers
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Simple environmental engineering gis project ideas? !...
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