The smoke Zack exhales, of which a nonsmoker = like Paul is exposed to is known as: secondhand smoke.
Smoking is an unhealthy habits that health practitioners have warned can affect the health of an individual.
However, you can also be a passive smoker when you inhale the smoke from the burning cigarettes of people nearby.
The smoke exhaled by smokers of cigarette, cigar, or pipe of which you inhale is referred to as: secondhand smoke.
Learn more about secondhand smoke on:
https://brainly.com/question/956548