In the sentence: 'The indigenous architectural design incorporates vernacular cooling techniques that render electric air conditioning superfluous,' the word 'superfluous' is closest in meaning to...

Answer and explanation

Correct answer: B. Unnecessary or redundant

  1. Step 1: Natural cooling techniques handle ventilation so well that AC is not needed. Step 2. 'Superfluous' means exceeding what is necessary, hence redundant. Answer: Unnecessary or redundant. Why not the others: Indispensable is an antonym; cost-prohibitive introduces an unrelated price concept.

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