Question

How can we smell hot food from a distance

Answer 1

When food gets cooked, it releases some aromatic gases into the air. The molecules of these gases spread and mix with air molecules. When this air reaches our nose, we get the smell offood. This process of spreading and mixing of a substance with another substance is called diffusion

Answer 2

this is because when the food is cooked it releases some aromatic gases in air.The molecules of these gases spread and mix with air molecule when this air reaches to our nose we get the smell of food
      :"THIS PROCESS OF SPREADING AND MIXING OF SUBSTANCE WITH ANOTHER SUBSTANCE IS CALLED DIFFUSION:"
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