I'm pretty sure that its either illegal or prescription medication
I believe that the answer is b. False because just because you don't have any symptoms doesn't mean you never will. For example, I never caught the flu in my childhood. But that doesn't mean I never will.
Answer:
tar
Explanation:
tar is the reason your lungs go black because it is evaporated into the smoke that you breathe in and is known to be the most known cause of cancer
I believe the best option for you to pick will be option C)
