A
more than one of these could be right but A is the best choice because it is about the PLANNING
I think it’s b I think so
The answer B.Since,Diffusion is driven by differences in concentration. When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. ... Diffusion in gases is quick because the particles in a gas move quickly. It happens even faster in hot gases because the particles of gas move faster.
a lightning stuck in-between them and the world split in half seperating them from eachother
explanation link: every4explaination.com
