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Physics, 20.08.2019 19:00 Kimberley5752
Thermal windows often have all the air pumped out between the panes and a gas pumped in that is not harmful and won't react with other things. what gas would be used? a. o b. cl c. ar d. n
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Thermal windows often have all the air pumped out between the panes and a gas pumped in that is not...
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