I’m pretty sure all but the last one because smoking does not cause ALL heart and lung diseases.
The answer is b., genetics, no one chooses who their parents and family are.
I think the answer is it prepares your body for necessary action because I learned something like anxiety and how it help you take action last year. I hope this helps you.
This is most likely from a deficiency of vitamin A.
Nonsteroidal anti-inflammatory drugs.
Hope it helps.