Ms. taylor's students are often restless and hard to keep on task, especially during activities at the end of the morning. ms. taylor chooses to ignore individual off-task behaviors as long as they are brief. an advantage of this strategy is that

An advantage of Miss Taylor’s strategy of ignoring brief off-task behaviours is that it does not interrupt the ongoing activity in the class.

Explanation:

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.