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Chemistry, 27.07.2019 23:20 cjsboardinghouse
Which of the following provides the best evidence of plate tectonics? a) the water cycle b) spring and neap tides c) seafloor spreading d) el ninio and la nina
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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Which of the following provides the best evidence of plate tectonics? a) the water cycle b) spring...
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