What role do lichens play in nature and human life?

Lichens show the degree of environmental pollution. Lichens are the first to inhabit areas unfavorable for life – rocky slopes, etc.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.