1.

Match the column :Column I (Phenomena)Column II (Effect)(1) Eutrophication(a) Soil erosion(2) Biomagnification(b) Prevention of extinction(3) Conservation(c) Accumulation of nonbiodegradable substance(4) Deforestation(d) Death of aquatic ecosystem

Answer»
Column I (Phenomena)Column II (Effect)
(1) Eutrophication(d) Death of aquatic ecosystem
(2) Biomagnification(c) Accumulation of nonbiodegradable substance
(3) Conservation(b) Prevention of extinction
(4) Deforestation(a) Soil erosion


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