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In the gaseous biogeochemical cycle, the main reservoir of nutrients is:
AAnimal body tissues
BAtmosphere and ocean
CSoil and crustal rocks
DGreen plant tissues
Answer & Solution
Correct answer: B. Atmosphere and ocean
1. The sedimentary cycle uses soil and rocks.
2. The gaseous cycle uses atmosphere and ocean.
3. Both return elements through decomposition.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 15, Life on the Earth._
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