El Niño and La Niña are responsible for producing
AChanges of opposite direction in global temperature
BPrecipitation patterns
CBoth (a) and (b) ✓ Correct
DNone of the above
Correct answer: (C) Both (a) and (b)
Explanation
El Nino and La Nina drive both opposite swings in global temperature and shifts in precipitation patterns.
The temperature statement alone is incomplete because they also reshape rainfall.
The precipitation statement alone is incomplete because they also alter ocean and air temperatures.
Since both effects genuinely occur, none of the above does not fit.
El Nino is the warm phase and La Nina the cool phase of the tropical Pacific oscillation.
These shifts disturb monsoons, droughts and floods across many regions of the world.
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