Science, asked by DEMONKING4472, 1 year ago

What is a pollution indicator?

Answers

Answered by BrainIyMSDhoni

hello

I think it's answer is lichens.

I hope helps you

Answered by Anonymous

Lichens may be used as air pollution indicators, especially regarding the concentration of sulfur dioxide within the atmosphere. Lichens are plants that grow in exposed places such as rocks or tree bark. ... This makes lichens natural indicators of air pollution.

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