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An unknown substance has mass of 20 grams and volume of 2 cm3. what is the density of the substance
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Why are pipes bursting in the in extremely cold weather?
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One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)
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Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.
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An unknown substance has mass of 20 grams and volume of 2 cm3. what is the density of the substance...
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