Which is a long-term effect of sun exposure? a. a bright red rash after sitting in the sun b. a stinging burn that is sensitive to touch c. a change in skin complexion or sallowness d. a cluster of freckles appearing on the skin

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