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Uranium mines operate in many countries, but more than 85% of uranium is produced in six countries: Kazakhstan, Canada, Australia, Namibia, Niger, and Russia. Historically, conventional mines open pit or underground were the main source of uranium.
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Hope this helps
Since the barium ion will be isoelectronic to the nearest noble gas, which is xenon, the electronic configuration for Ba2+ is: [Xe]
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The kinetic energy of the translational motion of an ideal gas depends on its temperature.
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number three is the answer moderate
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not sure if this is the right way to answer this question but PbS is Phosphate-buffered saline (i think)
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