148k views
2 votes
Which of the following is the safest level of exposure to secondhand smoke?

A.
often
B.
monthly
C.
never
D.
rarely

2 Answers

2 votes

Answer:

C

Step-by-step explanation:

never

User SergeyGrudskiy
by
5.4k points
2 votes

never would be but if it does occur it would be rarely

User Lieven
by
5.8k points