Water, H2O, is the most common substance that its gas (steam),liquid (water), and solid (ice) phases are widely known.
(Water, H2O; is; the most common substance that its gas (steam),liquid (water), and solid (ice) phases are widely known) (its gas (steam),liquid (water), and solid (ice) phases; are known; )
Water, H2O its gas (steam),liquid (water), and solid (ice) phases
is are known
the most common substance that its gas (steam),liquid (water), and solid (ice) phases are widely known