Biology, asked by MrAnujkumar8315, 1 year ago

Why are lichens regarded as pollution indicators?

Answers

Answered by gauravarduino

Answer:

Lichens are regarded as pollution indicators because they are sensitive to sulphur dioxide (SO2) and do not grow in polluted areas. Their presence indicates the absence of pollution in an area, and their absence indicates that the area is polluted.

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