I believe the answer is b
All of the above set of symptoms can be attributed to short-term effects of inhalants.
The ideal length of time for a cool down after an intense workout is about 3-5 minutes.
Yes, there is a variety of things you can do to wear down the enamel. A few of the biggest things are: Drinking Coffee or soda, eating acidic foods and not brushing your teeth. Sadly you are not able to grow back your enamel after if it fully gone so it's best to protect your enamel as much as possible.
