Physics, 18.10.2019 04:10, crytongillbranion

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Physics, 23.06.2019 05:40, dhernandez081

Which of the following can enter and exit a closed system? a. matter and energy b. neither energy nor matter c. matter but not energy d. enrgy but not matter

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Physics, 23.06.2019 08:00, skyvargasov9cad

Hunter is in lab. he clears a spot on his lab bench to start working. he also puts his lab coat and goggles on. he then identifies where all of the safety equipment is. he notices his station is next to the fume hood, which ventilates the chemicals stored there. the noise of the fume hood was bothersome, so hunter turned it off. which could be an error in his set-up? he should not turn off the fume hood. he should wait to put on his coat until after the directions are given. he should wait to put on his goggles until after the directions are given. he should not sit next to the fume hood.

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