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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 16:30
Why isn't the balkan region good for farming? it has dry summers. it is far from the sea. its soil is not fertile. its terrain is mountainous. its winters are mild.
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Geography, 23.06.2019 17:00
In which direction does the moving force of air flow? a-from warm temperatures to cold temperatures b-to areas of high pressure to areas of low pressure c-east to west d-from high elevations to low elevations
Answers: 1
Geography, 24.06.2019 01:00
Identify the type of weathering seen in each picture ? chemical weathering mechanical weathering
Answers: 1
Explain the reason that led china to create a cap-and-trade plan...
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