单选题Water is a very effective fire extinguishing agent because it()Awill remove all the toxic fumes from the airBhas the greatest cooling abilityCwill leave no harmful residueDcompletely removes combustible vapors from the air
单选题
Water is a very effective fire extinguishing agent because it()
A
will remove all the toxic fumes from the air
B
has the greatest cooling ability
C
will leave no harmful residue
D
completely removes combustible vapors from the air
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