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Which of the following statements is cor...

Which of the following statements is correct ?

A

Biomagnification refers to increase in concentration of the toxicant at successive trophic levels.

B

Presence of large amount of nutrients in water restricts 'Algal Bloom'

C

Algal Bloom decreases fish mortality.

D

Eutrophication refers to increase in domestic sewage and waste water in lakes.

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