Answer: X is the quantity value.
Explanation:
I would say it's the answer with nitrogen oxides and volatile organic compounds
C. It makes your heart beat faster to supply more oxygen, which makes the heart stronger and enables it to pump blood more efficiently.
Usually if a girl becomes pregnant while still in her teenage years, it gives a higher chance of premature deliveries.
Because he can check if your teeth are alright, because he can take measurements against danger in your mouth and because he can give you instructions on how to take care of your teeth
