Question

why smoke rises up ​

Answer 1

Answer:

The air just above the surface becomes heated and expands. In turn, it begins to rise, since it is lighter, resulting in vertical movement in the atmosphere. The more unstable, the higher smoke will be lifted. ( You will get more information in Google)

Hope it helps you.....

Answer 2

Answer:

As we know that smoke is the combination of hot air and hot air becomes light weight with respect to cold air. Thus, it always rises up.

Hope You Find This Helpful !