Which safety feature works to slow down nuclear-fission chain reactions?
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Chemistry, 22.06.2019 19:00
Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20
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If a particle has z = 25 and 23 electrons, what is its charge?
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