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Chemistry, 22.06.2019 19:30
Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!
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Chemistry, 22.06.2019 23:50
Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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Chemistry, 23.06.2019 11:40
An electron moved from a lower energy level to a higher energy level. what most likely happened during the transition? a random amount of light was released. a fixed amount of energy was absorbed. a fixed amount of energy was released. a random amount of light was absorbed.
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In what ratio will group 2 and group 7 elements combine...
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