Question

the smell of hot sizzling food reaches you several metres away but to get the smell from cold food you have to go close

Answer 1

this is because of the temperature in kinetic energy of the particles also increases and the diffuse into the air and reaches us to very quickly .

Answer 2

ya it's because the particles of the hot food have more kinetic energy as compared to that of the cold food and thus they reach us even when we are far .
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