Question

The smell lf incense stick spread throughout due to

Answer 1

because the particals of incense stick has high kinetic energy so it spread throughout

Answer 2

Explanation:

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