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Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.
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What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?
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Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
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In an oxidation-reduction reaction, the reducing agent:...
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