Question

How much it costs, if repairing costs 120 per m².
In a park walking path needs to be repaired. How much area needs to be repaired
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Answer 1

Answer:

Biosphere is important for living organisms because it is termed as the zone of life on earth. ... There is a very narrow zone on Earth where land, water and air come in contact with each other. This is called biosphere. All the living things such as plants, animals, and human being exist only in this zone.