Question

the process of increasing the concentration of pollutant in food chains is known as​

Answer 1

Answer:

biomagnification also known as bioamplification or biological magnification

Answer 2

Answer:

          The process of increasing the concentration of pollutant in food chains is known as​ "Biomagnification/ bioamplification".

Humans who are affected by biomagnification tend to have a higher risk of developing certain cancers, liver failure, birth defects, brain damage, and heart disease. The toxins responsible for these health problems include: mercury, lead, chromium, cobalt, and cadmium.

Example :

              The accumulation of insecticide DDT which gets accumulated in zooplanktons. Small fishes consume these zooplanktons.

                         Hope it helps you ^_^