Briefly describe four important strategies for resisting tobacco

If one of your friends tries to get you to stay out later than your curfew, you should: a. go along with it because your parents are too strict anyway. b. yell at them about what a stupid idea it is. c. say you don't want to, but if they insist, you stay. d. tell them that you're going home, but they can stay out if they want to.

Ireally need to know this answer asap

Which of the following is the definition of ventilation as it relates to the respiratory system?