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1. Which of the following serves as a bioindicator of atmospheric pollution?

A. Ferns
B. Lichens
C. Algae
D. Fungi


Sagot :

Final answer:

Lichens are important bioindicators of atmospheric pollution due to their sensitivity to air pollutants, especially nitrogen and sulfur compounds.


Explanation:

Lichens serve as a bioindicator of atmospheric pollution. They are extremely sensitive to air pollution, especially abnormal levels of nitrogen and sulfur compounds. Lichens are used by the U.S. Forest Service and National Park Service to monitor air quality.


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