Which type of pollutants is mainly responsible for biological magnification?
Non-biodegradable pollutants
Biological magnification is the progressive increase in the concentration of a harmful substance in the bodies of organisms as one moves from lower to higher trophic levels in a food chain.
For this to happen, the pollutant must be stable, fat-soluble and resistant to breakdown by natural processes so that it is not excreted or degraded but keeps accumulating in living tissues.
Non-biodegradable pollutants such as DDT, mercury and other heavy metals meet all these conditions, which is why they get magnified along the food chain, while thermal, noise and decomposable pollutants do not persist in this way.
Hence, the correct answer is Non-biodegradable pollutants.
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Degradation of global environment has not resulted in one of the following.
