A. A cell of rising and sinking air over the Pacific Ocean
B. A type of thunderstorm
C. A wind pattern over the Atlantic
D. A cell of rising and sinking air over the equator
Answer: Option A
Solution (By JKExamLibrary)
The Walker Circulation is a large-scale cell of rising and sinking air over the Pacific Ocean. Warm air rises over the western Pacific (near Indonesia) and sinks over the eastern Pacific. This circulation is disrupted during El Niño events.
Explanation:
Tamil Nadu receives a significant portion of its annual rainfall from the Northeast Monsoon (October-December), making it a crucial season for agriculture there.
Explanation:
The Andaman and Nicobar Islands receive high rainfall due to their equatorial location, the Southwest Monsoon, and the orographic effect of the islands.
Explanation:
A 'break in monsoon' is a period of 1-2 weeks when rainfall is significantly reduced or absent over most of India during the monsoon season.
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