I believe the answer is C
I hope you get it right and have a great day :)
heredity is something you get from your parents and they got from theirs etc their like genes Some aspects of personal health are determined by heredity. Certain diseases are a direct result of heredity, while others are determined in part by heredity and by the lifestyle choices and environment of an individual. Heredity is not the only factor that influences personal health, but it does have a significant impact on it.
The answer is D because of smoking and the smoke fills places and the smoke is dangerous to breathe in. If you are younger than 18 and are using drungs it is against the law to do that. Finnally they increase spread of disease because you could have too much drugs.
hope this helped :)
alisa202
