B the most well known chemicals inside cigarettes would includen carbon monoxide and tar.
A peer is someone who is the same age as you, and they do not have to even know you. You might be friends, you might not. They might be a student that's in the same grade as you.
basically, a peer is a student that is around your age.
I think it’s the last one
They deleted my answer because I didn't give an explanation but the answer is d. Temporal lobe, you can know by looking up the definition which is "each of the paired lobes of the brain lying beneath the temples, including areas concerned with the understanding of speech."