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Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.
When a bottle of perfume is opened in a room, the particles of perfume, start diffusing into the air surrounding the bottle. These particles of perfume keep moving towards a region of lower concentration by virtue of their kinetic energy. Therefore, when a bottle of perfume is opened, we can smell perfume even from a distance.
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