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
B because after a workout you are already pretty stretched so regular ones won't cut it you will have to do intense ones to get a good stretch
I don't get this question.
Hey, I'm a little confused on what your asking but. Heres my answers. No, HIV can only be contracted through sexual contact
The therapeutic value of a medication is called its efficacy.
