Which type of fuel is difficult to extinguish using water as the only extinguishing agent?
select one:
a. liquids that are less dense (lighter) than water
b. liquids that are more dense (heavier) than water
c. miscible liquids
d. polar solvents

Option A

Explanation:

Fighting flammable substances such as grease or oils fires with water is dangerous and might cause it to spread as the liquids are less dense than water and hence forms a layer on top of water. Water will thus increase the surface area for the less dense liquids to spread, hence spreading the fire.

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explanation:

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