Question

Why can u smell the perfume incense stick

Answer 1

when incense stick is burnt it's smell mixes with the air.the air is the gaseous material which has lossely packed molecules and moves faster.so the smell of insence stick reach our nose faster.
.....I hope this will help you pls mark as brainliest

Answer 2

It's a complex system , or simply its principle is the excitation of the carbo- hydrogen compounds which after getting variable excitement initiates its diffusion procedure.