MCQOPTIONS
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| 1. |
Flow of energy declines from low to higher trophic level in ecosystem, is mainly explained by [CPMT 1991; MP PMT 1999] |
| A. | First law of thermodynamics |
| B. | Second law of thermodynamics |
| C. | Both of these |
| D. | None of the above |
| Answer» C. Both of these | |