Answer:
It could be the plot or the conflict.
Explanation:
The answer to this is yes because diffusion is the movement of particles from high concentration to low concentration. As the smoke rises at one corner of the room soon it spreads all over the room which is simply diffusion.
I would like to think it woulf be the second option
Answer: i didn't understand that sentence sorry, i will try my best to answer it if you type the question in comment section.
Explanation: