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Chemistry, 21.06.2019 22:30
Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.
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Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *
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Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory
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Calculate the mass of na2co3 required to prepare 250 ml of 0.5 n solution....
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