One of the laws of conservation states that the total charge of the reactants and products must be equal. this is the law of conservation of: a. energy. b. matter. c. energy and matter. d. charge.

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the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19