3. The fragrance of incense stick spreads out in air to a distance
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Explanation:
what we should answer in it I have didnt understood the question to answer it
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1
Answer:
Diffusion
Explanation:
Diffusion is a phenomenon which occurs in gaseous molecules.
It is defined as the intermixing of gaseous molecules due to their movement from lower pressure zone to a higher pressure zone.
in case of incense stick, the fragrance is actually a gas, the molecules of it undergo diffusion and spread everywhere and thus we are able to sense(smell) the fragrance at a distance also.
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