The responsible chemical for bio-magnification is ___________.

DDT

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Ammonia

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Ozone

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Green house gases

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Solution

The correct option is A DDT
Biomagnification is the build up of toxins in a food chain. The DDT(Dichlorodiphenyltrichloroethane) concentration is in parts per million. As the trophic level increases in a food chain, the amount of toxic build up increases. The x's represent the amount of toxic build up accumulating as the trophic level increases. Toxins build up in organism's fat and tissue. Predators accumulate higher toxins than prey.
The correct answer is A ,

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