Probably best if you didn’t, at least not literally lol
Answer: Haiya! Explanation: I am sorry if this is wrong forgive me if it is wrong. I am not going to lie cause I ain’t a liar but I looked at the person above me for the answer..... I am sorry!
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.