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Ncert solutions for class 10 science chapter 15 our environment chapter 15 our environment is one of the important chapters in class 10 science with a marks weightage of 3 marks. Substances which are of organic origin are biodegradable, while those of inorganic origin are nonbiodegradable. Ncert solutions for management of natural resources. All ncert textbook questions have been solved by our expert. Upsc environment and ecology, environment and ecology, 12th biology ncert, environment related important topics. This is very valuable series because upsc have been asking few questions every year from these four chapters directly or indirectly. Organic substances can be utilised by decomposers as food, while other substances cannot be utilised by decomposers as food.
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