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प्रश्न
If DDT sprayed in water is only 0.03 parts per billion but is found to be 100 times move in small or large fish, what is the reason for it?
अति संक्षिप्त उत्तर
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उत्तर
This is due to biological magnification. DDT is non-biodegradable and accumulates in tissues at each trophic level of the food chain.
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