The cyclic flow of chemical elements between organism and environment in biosphere is known as

(a) Gaseous cycle
(b) Biological cycle
(c) Water cycle
(d) Geomoephic cycle

Anurag Mishra Professor Asked on 9th February 2016 in Geography.
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    Answer: (b) Biological cycle 

    Anurag Mishra Professor Answered on 11th February 2016.
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