In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
I think it’s B. Fluoridated Gases
Answer: D. Severe
Explanation: The person who answers 'yes' to the question definitely has severe food insecurity because, it is a period of 12 months and not eating for a whole day is not such a bad thing. Fast does help the body in tremendous ways like weight loss, improved blood sugar control and so on.
A is the correct answer because that is the appropriate action to take
The answer your looking for is B
