Answer: I believe that it is not safe because if you were to say crush it up and snort it and you thought that is wasn't working so you did another and then maybe another then you might be taking more then what you where supposed to take in one setting.
Hope it makes since.
Answer:
This is called Chronic obstructive pulmonary disease (often called "COPD")
Explanation:
COPD is a condition in which the airways in the lungs become inflamed and narrowed and the air sacs become damaged. Smoking cigarettes is the most common cause of COPD
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Answer:
It is important to listen to your body when exercising because it could cause you harm.
Explanation:
For example, if you are in a soccer game and you start to feel tired physically but in your mind you are excited and aren't tired yet your body is telling you to slow down. If you don't you could easily pass out or become dizzy.
The correct answer is puberty.
hope this helps