Q: What is the health-threatening smoke exhaled by a cigarette smoker or released from tobacco products?


Read this paragraph and choose the correct option from the provided answers:

Secondhand smoke , which comes from breathing the smoke release from tobacco products. Secondhand smoke is also the smoke exhaled by a cigarette smoker. This smoke is extremely dangerous to human health.

 Choices:

- secondary smoke

- contamination smoke

- primary smoke

- secondhand smoke


A:
secondhand smoke