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2 answers

Burn magnesium ribbon in CO2. That separates the two.

2007-05-06 01:13:23 · answer #1 · answered by Gervald F 7 · 0 0

feed the co2 to a tree, done.

2007-05-06 07:27:36 · answer #2 · answered by peternaarstig 3 · 0 1

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