Question

Match each environmental change with its description. (letters and numbers)

Answer 1

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.

Answer 2

Answer:  The answers in the attached file are correct.