Mark, a friend of yours, has recently begun talking about quitting smoking. he has spoken with his doctor and is gathering information from some of his friends who have successfully quite. he plans on actually quitting in about three months, right after the holiday season. which stage of the stages-of-change model of health behavior change is mark currently in?

Mark is in the phase called "Contemplation".

Explanation:

The stage of "contemplation" is the second stage of the model of health behavior, at this stage the individual recognizes his behavior that is detrimental to his health and considers abandoning this behavior in the near future (maximum six months). We can say that Mark is at this stage, because he realized that smoking is very bad for his health and will follow medical advice to be able to quit this behavior in three months.

yes because there are aliens