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Genrish500 [490]
3 years ago
14

What do H2O ,NaCI, CO2, and HCI have in common

Biology
1 answer:
k0ka [10]3 years ago
5 0
They are all compounds. This means that several elements make them up. H2O, or water for example, is a mix of two Hydrogen (H) and one Oxygen (O).
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