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Multiple Choice Questions

Consider the following statements about ldquo El Nino rdquo It causes dry spells in regions like Ind...........

Geography and Environment World climates

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Consider the following statements about “El-Nino”.

It causes dry spells in regions like India, Indonesia and Australia.
It releases heat from the Pacific Ocean into the atmosphere.
Winters following El Niño events are slightly colder.

Select the correct answer using the codes given below

1 only

1 and 2 only

2 and 3 only

All of the above

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Explanation:

El Niño is a climate pattern that describes the unusual warming of surface waters in the eastern tropical Pacific Ocean. El Nino is the “warm phase” of a larger phenomenon called the El Nino-Southern Oscillation (ENSO). El Niño occurs simultaneously with the Southern Oscillation. The Southern Oscillation is a change in air pressure over the tropical Pacific Ocean.

El Niño has an impact on ocean temperatures, the speed and strength of ocean currents, the health of coastal fisheries, and local weather from Australia to South America and beyond. El Niño events occur irregularly at two- to seven-year intervals. However, El Niño is not a regular cycle, or predictable in the sense that ocean tides are.

The typical impact of El Niño on Southeast Asia is drier-than-average rainfall conditions, including for much of the Maritime Continent during June to August. Warmer temperature conditions typically follow drier periods.

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