‘‘Biosphere’’ is called as
Part of atmosphere where the livings cannot live
Part of atmosphere where the livings can live
Both $(a) $ and $(b)$
None of the above
It’s obvious.
The phosphorus rich fertilizer obtained from sea birds along the coast of Chile and Peru, is
The graph below shows the changes in two populations of herbivores in a grassy field. A possible reason for these changes is that
Rhizophora is a characteristic component of
Nitrogen cycle involves bacteria capable of changing proteins to ammonia called as
The sphere of living matter together with water, air and soil on the surface of earth is
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