Question

Give two examples in your everyday experience where diffusion occurs. Can you think of a situation of where this might be harmful?

Answer 1

The first example of diffusion is smoking a cigarette when u light it it spreads through the air. 
The second example is lighting a candle in a room it the smoke spreads through the air. 
Smoke can be very bad for the air and the people around because it can cause many problems with your breathing.