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How do geologists study direct evidence of earth’s interior? 1. by collecting core rock samples 2. by measuring seismic wave activity 3. by analyzing how living things survive 4. by recording changes in climate patterns
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Match the formula for the following compound: magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(s o4)2·7h2omgso4·7h2o
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