What could result from tree leaves and needles being chronically exposed to air pollutants?
A) increased uptake of nutrients by the needles and leaves
B) leaves or needles that turn bright red and drop off
C) build up of a waxy coating on the needles or leaves
D) increased chance of the tree incurring damage from diseases, pests, drought, and frost

Question

What could result from tree leaves and needles being chronically exposed to air pollutants? 
A) increased uptake of nutrients by the needles and leaves 
B) leaves or needles that turn bright red and drop off 
C) build up of a waxy coating on the needles or leaves 
D) increased chance of the tree incurring damage from diseases, pests, drought, and frost

Quizplus · Accepted Answer

Chronic exposure to air pollutants can weaken trees, making them more susceptible to diseases, pests, drought, and frost damage by impairing their normal physiological functions.

What Could Result from Tree Leaves and Needles Being Chronically