Answers

2015-06-02T15:49:54+05:30
Because when the incense stick is lighted, it diffuse in the air. We know that the Air transports all the smells....And when the stick is lighted it diffuse into the air. The molecules of air are loosely packed so that they roam. The air moves from one place to another. When the smell reaches your nose, it detects it.
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