Unless it's really fucking frozen with bubbles trapped, it will still have reflections (and at that point we call it ice and/or snow). You are missing the point. What most of us are bawing about is the shitty reflections, not its density values. This water is clearly a liquid, meaning it isn't frozen, and it should look like water as opposed to a puke-coloured bedsheet sitting on top of the water.
And yes, even under different conditions water will still behave like water. Definition of water.
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