Why Does Rain Smell?

The video explores the unique aroma of rain, known as petrichor, which is a combination of scents from plant oils, soil bacteria, and ozone. Plant oils released during dry periods and geosmin from soil bacteria contribute to the earthy smell, while ozone, produced by lightning, adds a sharp scent. These elements together create the fresh and invigorating smell associated with rain.

Why is the smell of rain particularly strong after a long dry period?

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Explain the role of ozone in the smell associated with rain.

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