Question:
Give reasons for the following observation:

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:

Hot food exchanges their energy with surrounding particles that leads to increase in kinetic energy of surrounding particles of matter. Due to kinetic energy they can move randomly in their surrounding space and we can easily smell of hot food from a few meters away.

In case of cold food, dew to low temp. the kinetic energy of surrounding particles is low so they can not move far away that's why we have to go closer to smell cold food.

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Question:
Give reasons for the following observation:

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

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Question: Give reasons for the following observation: The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

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Question:
Give reasons for the following observation:

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