In which of the situations below would a plant be at greatest risk for the formation of air bubbles in the xylem stream?

Question

Quizplus · Accepted Answer

Air bubbles in xylem stream are caused by cavitation due to low water availability, which can be more prevalent during high transpiration rates, such as during the afternoon when temperatures are higher and humidity is lower. The other options do not directly relate to the factors that cause air bubbles in the xylem stream.

In Which of the Situations Below Would a Plant Be