A definite advantage of using water as a fire extiguishing agent is its characteristic of（）.<br>A:alternate expansion and contraction as water in a liquid state becomes a vapor<br>B:absorption of smoke and gases as water is converted from a liquid to a vapor<br>C:rapid contraction as water is converted from a liquid to a vapor<br>D:rapid expansion as water absorbs heat and changes to steam

A definite advantage of using water as a fire extiguishing agent is its characteristic of（）.
A:alternate expansion and contraction as water in a liquid state becomes a vapor
B:absorption of smoke and gases as water is converted from a liquid to a vapor
C:rapid contraction as water is converted from a liquid to a vapor
D:rapid expansion as water absorbs heat and changes to steam

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