I personally think it’s b, but don’t quote me on it. Sorry if I’m wrong .
D. I don't know if that is what your teacher will agree with but in my own personal research I have found that to be very effective.
Any of ...nitrogen dioxide, Ozone , PM, SO2.
Answer:ok so I don’t know this so goodly but I think u should do it urself
Explanation:
That I can’t study at home because it’s loud or learn anything since the teacher just wants us to read the book and not ask qs
