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Chemistry, 22.06.2019 06:30, backup5485
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
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Chemistry, 22.06.2019 21:00, lalaween098
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
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Chemistry, 23.06.2019 01:30, Nathaliasmiles
If a particle has z = 25 and 23 electrons, what is its charge?
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In 2016 what was the percentage of the U. S. population compared to the world?
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