The chemical in cigarettes that prevents oxygen from getting into the bloodstream is: a. tar b. nicotine c. carbon monoxide d. all of the above

Which of these is a long-term goal? a. i want to lose two pounds in a month. b. dylan wants to finish reading his favorite book this week. c. thomas plans to invite his parents to his home for dinner. d. daisy wants to write a children’s book on nutrition