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Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right
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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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Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole
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Your mommy buys you a helium balloon at the circus. It has a volume of 4.00 liters at STP. What mass...
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