What is an advantage of using foam in fire fighting?（）<br>A:It is MOST effective on very hot oil fires where the temperatures of the liquid exceed 100°C (212°F)<br>B:Most foams can be used with dry chemicals to attack a fire by two methods<br>C:Foam is effective on combustible metal fires<br>D:Foam can be made with seawater or fresh water

What is an advantage of using foam in fire fighting?（）
A:It is MOST effective on very hot oil fires where the temperatures of the liquid exceed 100°C (212°F)
B:Most foams can be used with dry chemicals to attack a fire by two methods
C:Foam is effective on combustible metal fires
D:Foam can be made with seawater or fresh water

出自：海船船员证

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