define biosphere

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The regions of the surface and atmosphere of the earth or other planet occupied by living organisms.

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the part of the earth where life exists is called biosphere.

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the sphere of life of animals , plants and human beings is together is known as biosphere

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A biosphere is part of the earth and its atmosphere which supports the life of animals and other living organisms. The biosphere covers the whole terrestrial ecosystem, to the ocean depths and onto an area above six kilometres to the above sea level.thanks........
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Biosphere is the narrow zone in which air , water and land is available for human settlement.

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biosphere is thatvrealm of the earth where life exists. it is a narrow zone where land,water and air come into contact with each other.

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