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UPSC CSE2024PrelimsQ.1
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With reference to the El Niño phenomenon, which of the following statements is/are correct?

  1. El Niño causes drought conditions over the Indian subcontinent.
  2. During El Niño years, the Walker Circulation weakens significantly.
  3. El Niño is associated with anomalously warm sea surface temperatures in the central and eastern Pacific Ocean.

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