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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 09:30
Astate's representation in the u.s. senate is based on a) equal representation. b) the state's population. c) the state's electoral votes. d) the size of their major cities.this independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren cthis independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren commission (wc) b) federal election commission (fec) c) equal opportunity commission (eoc) d) securities and exchange commission (sec)
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Geography, 23.06.2019 18:30
Based on current rates the earths human population is expected to grow how much by 2050
Answers: 1
Chemistry, 11.06.2020 17:57
Mathematics, 11.06.2020 17:57
History, 11.06.2020 17:57
English, 11.06.2020 17:57
Mathematics, 11.06.2020 17:57
Mathematics, 11.06.2020 17:57
History, 11.06.2020 17:57
English, 11.06.2020 17:57