पोखरामा एउटा रुख यसरी बोल्यो ! रुखले रुदै भन्यो मलाइ नकाट्नुहोस ....

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भिडियो सहित हेर्नुहोस !
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The biosphere is the global sum of all ecosystems. The two joined words are “bio” and “sphere”.


It can also be termed as the zone of life on Earth, a closed system (apart from solar and cosmic radiation and heat from the interior of the Earth), and largely self-regulating.

By the most general biophysiological definition, the biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and atmosphere.
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