A) Both Assertion, and Reason are true and Reason is the correct explanation of Assertion
B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
C) Assertion is true, but Reason is false
D) Both Assertion and Reason are false
Correct Answer: B
Solution :
The upper part of photic zone with abundent light is called euphotic zone, here the \[\frac{P}{R}\] ratio is more than 1. The lower region is called disphotic zone, here the \[\frac{P}{R}\] ratio is less than 1.You need to login to perform this action.
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