Question

forest are our life line explain

Answer 1

Forest is our life line because we get a large amount of oxygen from the forest.

We cannot live without oxygen, and If there would be no forest then we wouldn't be able to breathe.

They are our basic need

Answer 2

yeah forest are our life as the tress inhabited here produces oxygen without which we cant even think about the existence of life it also give us useful products like wood ,gum,medicines and so many valuable products hence the line is proven