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The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
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What are fossils of organisms that existed over a wide area but only for a limited time period called?
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What type of energy conversion occurs when you place your feet near the fire place and they become warm
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How does adding an atom affect position of existing Adams or lone pairs...
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