If the recent study of children in Western Canada is accurate, parents need to worry more about their children's exposure to _____ than their exposure to _____.

Question

Quizplus · Accepted Answer

The question states that parents should worry more about their children's exposure to one substance over another. Therefore, we are looking for the option where the first substance listed is of greater concern than the second. In this case, car exhaust is less of a concern than wood smoke according to the study. Therefore, option B is the correct answer.

If the Recent Study of Children in Western Canada Is