Answer:
the nicotine damages their lungs
Explanation:
a non smoker wouldn't have nicotine or anything else caused by smoking affecting their lungs. non smokers would have way healthier and less infection prone lungs than smokers
Definitely not B or C so it has to be either A or D.
Answer:
Tadpoles start off having gills like a fish but the older they get there gills start to disappear they breathe like fish because they do have gills as younglings.
Hope this helps!!
Explanation:
A social psychologist would be interested in how groups interact.
