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12.Ecosystem
normal
The reservoir pool for gaseous cycles of matter is
A
Atmosphere
B
Hydrosphere
C
Both $(a) $ and $(b)$
D
Lithosphere
Solution
(c)In gaseous cycles of matter the materials involved in circulation between biotic and abiotic components of biosphere are gases or vapours and the reservoir pool is atmosphere or hydrosphere. e.g., $C, H, $ $O_2$, $N_2$ and $H_2O$.
Standard 12
Biology
