Chemistry, 04.04.2020 01:38 Alphonse8472
You find a mysterious rock on the ground and determine that 60%% of its uranium-235 has been converted into lead-207. What is the most likely origin of the rock, based on its radiometric age?
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Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.
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The minerals found in bones are deposited by living cells called
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650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal
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