Question

define eutrophication and biomogrification

Answer 1

Eutrophication is the natural ageing of lake by biological enrichment of its water. biomagnification refers to the increase in concentration of toxic in successive trophic level

Answer 2

Eutrophication is a phenomenon of depletion of dissolved oxygen in water body due to accumulation of nutrients leached from the field that cause luxuriant growth of algae. This result in decrease in dissolved oxygen content in water body thereby affecting aquatic flora and fauna.