Multiple choice

What is southern oscillation?

  1. The warming and cooling of oceans

  2. The appearance of warm water off the coast of Peru

  3. The change in pressure condition over Pacific ocean

  4. The pattern of wind circulation in the southern hemisphere

  5. The winds from the tropics converging at low pressure zone
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

El nino causes pressure changes in Central Pacific and Australia. This change in pressure condition over Pacific is known as the southern oscillation.

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