Respuesta :

SJ2006
That matter must be in LIQUID phase

Answer: The matter that has a indefinite volume, is a gas, as the air for example.

The matter that has definite volume and shape, is the solid matter, for example a piece of steel.

The matter that has a definite volume but no definite shape, is the liquid matter, which is the answer for this problem.

You can easily visualize this if you think in water; the liquid water is in liquid state, the vapor of  water is in gas state, and the ice is in solid state.

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