Environment & Ecology · Environmental Science
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: According to the oxygen sag model, the dissolved oxygen concentration reaches a minimum value in a stream of water at some point downstream from the point of discharge of organic waste. Reason R: The rate of deoxygenation due to microbial decomposition of waste is always greater than the rate of reaeration of the stream. In the light of the above statements, choose the most appropriate answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both A and R are correct and R is the correct explanation of A
- 2Both A and R are correct but R is NOT the correct explanation of A
- 3A is correct but R is not correct✓
- 4A is not correct but R is correct
Correct answer
A is correct but R is not correct
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