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Assertion (A) : Large scale OTEC development may not be good for environment.

Reason (R) : Release of CO2 from ocean depths into the atmosphere could exacerbate GHG effect.
Codes :

  • A.Both (A) and (R) are true and (R) is the correct explanation of (A).
  • B.Both (A) and (R) are true, but (R) is not the correct explanation of (A).
  • C.(A) is true, but (R) is false.
  • D.Both (A) and (R) are false.

Answer: A

Both the assertion and the reason are true, and the reason explains why large scale OTEC may be harmful. The water brought up from the ocean depths contains dissolved carbon dioxide, which is released on warming and could add to the greenhouse effect.

The options calling the reason false, or calling the reason an unrelated true statement, are wrong, since the release of CO2 is the basis of the concern.

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