The most important thing in my opinion to stay healthy is to diet and exercise.
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
Hello!
You could restate this sentence by writing "If I put 5 pennies in a bottle of Coca Cola, then in 24 hours they will be shiny."
I hope this helps you! Have a lovely day!
- Mal