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If a 100 gram sample has a half-life of 2 hours, how much of the original sample is left after 8 hours?
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Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
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If a 100 gram sample has a half-life of 2 hours, how much of the original sample is left
after 8 ho...
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