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What were scientists studying when they made the first observations about the layers inside the earth?
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration
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Chromium(iii) sulfate is a transition metal compound containing the metal chromium and the polyatomic ion sulfate. the oxidation state of chromium in this compound is , and the chemical formula of the compound is ( ) . reset next
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What were scientists studying when they made the first observations about the layers inside the eart...
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