Convection spreads a fire as a result of _____.A.transmitting the heat of a fire through t

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Convection spreads a fire as a result of _____.

A.transmitting the heat of a fire through the ships metal

B.burning liquids flowing into another space

C.heated gases flowing through ventilation systems

D.the transfer of heat across an unobstructed space

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热搜:a是b的充分条件,b是a的必要条件吗