Question

how do we detect the smell of an incense sticks?

Answer 1

Answer:

When the smell of the incense stick reaches our nose, then the olfactory receptors present in our nose detect it send this information to the fore brain in the form of electrical signals. Fore brain interprets this information as the smell of incense stick where it is already stored.

Explanation:

good

Answer 2

bcz gases have least intermolecular force of attraction and hence have highest kinetic energy so they can travel as far as possible, also,they can diffuse with air. hence we detect the smell of an incense stick