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2 answers

As far as we know to date, life cannot exist without liquid water. So the answer would be H2O.

2007-10-06 09:21:51 · answer #1 · answered by skeptik 7 · 0 0

4 me it is oxygen wif symbol2 according to me water h2o cant be formed without oxygen o2

2007-10-10 05:33:19 · answer #2 · answered by tiya b. 2 · 0 0

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