Question

the dark lake is heaven for duckweeds and spirogyra a strong pungent smell pervades the air and aquatic animals are hardly seen . this is an example of a) biomagnification b) eutrophication c) water pollution d) greenhouse effect in water​

Answer 1

Answer:

the dark lake is heaven for duckweeds and spirogyra a strong pungent smell pervades the air and aquatic animals are hardly seen . this is an example of a) biomagnification b) eutrophication c) water pollution d) greenhouse effect in water