Hiii im new to ...actually no im not i just made a new account

i kinda forgot how works so...i wanna change my username and i. d.k how

someone help me plz?

Which of the following statements about the societal costs of tobacco use is true? a. tobacco use affects the tax rate of only those individuals who smoke. b. the negative effects of tobacco use are only experienced by the smoker. c. tobacco users contribute to an overall loss of productivity. d. increased healthcare costs are mainly absorbed by tobacco users