Question

how can we smell perfume sitting several meters away from the source?​

Answer 1

When liquid perfume is applied by a person is quickly changes into vapours or gas. The Perfume vapours move very rapidly in all directions in air, a mix up with air particles and spread in the air by diffusion. When this air containing perfume Vapours reaches several metres away, we can smell the perfume.

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Answer 2

Answer:

due to kinetic energy

Explanation:

The perfume molecules spread our or 'diffuse' through the air. The smell becomes less concentrated but it reaches a great distance - meaning we can smell it sitting several metres away from the source.