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.
Answer:
1. wife
2. bought
3.Can I open a window? It's hot in here
4.Do you like
5. Can I have a coffee, please?
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em>
The correct answer is E i believe
