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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 20:00
Select the word from the list that best fits the definition of branch of islam that is in iran
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Geography, 23.06.2019 14:00
The economies of nordon could be described a. unable to use rich resources b. struggling but diverse c. dependent on one product d. healthy and diverse
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Geography, 23.06.2019 16:20
Chris lives in a city that experiences heavy rainfall with average annual precipitation of 882 millimeters. it is warm all year.mark lives in city with an average annual rainfall of 40 millimeters. it has hot summers and cool winters.chris's city is in a climate, while mark's city is in a climate.
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History, 08.01.2020 22:31
English, 08.01.2020 22:31
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Mathematics, 08.01.2020 22:31
Mathematics, 08.01.2020 22:31