Question

planting trees on public and common land is known as​

Answer 1

Planting tress on public and common land is known as Afforestation.

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Answer 2

Green vegetation is very important for our environment, because this green vegetation is the main source of the atmospheric oxygen.

That's why planting trees in the public places , especially in the urban areas.

This process is also known as the afforestation,and it is very beneficial for the environment.

The word "afforestation" is the direct antonym of the word "deforestation", which means the cutting of trees for different purposes.