Answer: Weak tooth enamel.
Explanation: Bulimia nervosa is a serious eating disorder that consists of eating large amounts of food and then purges to get rid of extra calories. As you might know, when you throw up, some acid in your stomach also goes out with the food. This stomach acid weakens your tooth enamel.
If you're running at the same intensity for a mile, you are performing a <span>cardiovascular exercise.</span>
The answer is D. How'd this helped
