"कर्मणये वाधिकारस्ते मां फलेषु कदाचन । मां कर्मफलहेतुर्भू: मांते संङगोस्त्वकर्मणि" ।।

Monday, October 26, 2020

Chapter 7. Energy Flow in an Ecosystem (STD. IX) Science II

Energy flow in an Ecosystem 


Laxman Singh

Author & Editor

"Winner don't do different things , they do things differently"

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