Answer: The correct answer is -
(A) Biomagnification- option (3),
(B) acid rain
- Option (1),
(C) eutrophication
- Option (2)
Explanation-
- Bio-magnification can be describes as the accumulation of toxic chemical compounds in the body of living organisms that lie at higher trophic levels within a food chain.
- When chemical compounds like Nitric oxide and sulphur dioxide react with water and oxygen, they form harmful acids that come along with rain, resulting in Acid rain.
- Eutrophication is a process of accumulation of nutrients ( such as nitrogen and phosphorous) within water body that stimulates the growth of aquatic life forms such as algae, phytoplanktons. This results in formation of algal blooms.
