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प्रश्न
Assertion (A): Oil spill leads to the death of millions of fish.
Reason (R): The oil spill on the seawater acts as an insulating layer between air and water.
पर्याय
Both A and R are true, and R is the correct reason for A.
Both A and R are true, but R is not the correct reason for А.
A is true, and R is false.
A is false, and R is true.
MCQ
विधान आणि तर्क
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उत्तर
Both A and R are true, and R is the correct reason for A.
Explanation:
Oil spreading over seawater forms a surface film that blocks the transfer of oxygen from the air into the water, causing dissolved‑oxygen depletion that can kill large numbers of fish and other marine life; oil also coats and poisons animals, worsening the mortality.
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