Why firemen crawl in the building where fire has broken out?
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the smoke and heat is warm, it rises up and the lower gases like oxygen in the atmosphere takes the place left by the smoke. The lower you can get, the cooler it is and clearer you can see. Thus, a fireman crawls on the floor of a room that is filled with smoke.
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2
Answer:
the smoke and heat is warm, it rises up and the lower gases like oxygen in the atmosphere takes the place left by the smoke. The lower you can get, the cooler it is and clearer you can see. Thus, a fireman crawls on the floor of a room that is filled with smoke.
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