Answer / sunil govindan

There is three reason for scent after rain.
1, Because of the Ozone ( lightly chlorine smell)
2, Some bacteria in the soil cause scent after rain
3, Some oil secreted by various trees, when rain comes certain chemical make up oil and release to atmoshpere.


So these are 3 known reasons for the scent after rain.

What is difference between nanoscience and nanotechnology?

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why nitrogen is about 70%(i.e.)highest percentage in environment

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