Know where they are the next time you need them
The answer is Black lung disease
Gases can be produced by normal flora (bacteria that normally lives in the intestines) and harmful bacteria as well.
Answer: tartaric acid, boric acid, chlorhexidine, ethyl paraben, thymol and sodium propionate
Explanation:
A is the correct answer.
The patients mother is experiencing a panic attack due to being provided with unsettling information.