Question

How do e detect the smell of an agarbatti (incense stick)?​

Answer 1

Explanation:

At first, the smell of the incense stick reaches our nose, then the olfactory receptors present in our nose detect it. Then the receptors send this information to the forebrain in the form of electrical signals. Then the forebrain interprets this information as the smell of incense stick where it is already stored.

Answer 2

Answer:

by using our nose or

by using our eyes in some cases

I mean that the smoke will release from incens stick