Answer the following question:
 
Give reasons for the following observation:

The smell of hot, sizzling food reaches you several metres away, but to get the smell of cold food, you have to go close.
 
At lower , particles in cold food have low kinetic energy. At higher temperatures, particles have high and move faster; hence, this smell of hot sizzling food reaches you several meters away, but you have to go close to get the smell from cold food.