Question

lichens provide benefits to human give reason​

Answer 1

Answer:

lichen is the indicator of air pollution because lichen do not grow in polluted area

Answer 2

Lichen is the sign of air pollution because lichen do not breed in polluted area.

Explanation:

• Lichens are very concious to pollution such as nitrogen because they get water and nutrients from wet and dry atmospheric deposition. This property makes them a pollutant indicator.
• Lichens give food and also assisting algae to generate food. They prepare of their own food production.
• They also give food for animals and materials that they can use to build their homes or nests.

To know more:

Short note on lichens​

https://brainly.in/question/12137047

Describe the types of lichens on the basis of their thallus organisation

https://brainly.in/question/5156398