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प्रश्न
How can harmful chemicals such as agricultural pesticides unknowingly enter the food chain?
पर्याय
They are absorbed from soil and water by plants and aquatic organisms.
They are converted into solar input by human beings.
They are produced by successive trophic levels.
They return from herbivores to autotrophs.
MCQ
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उत्तर
Agricultural pesticides can be absorbed from soil and water. Plants and aquatic organisms can then introduce these harmful chemicals into the food chain.
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