Answer:
(i) A
feeble higli pressure area develops over (lie north-western part of India in
the cold weather season. Light winds begin to blow outwards.
(ii) These dry north-westerlies winds come; in contact With the Indian
trades (north-easterlies) over (lie Ganga valley.
(iii) The direction of north-easterlies changes as result
of (his contact as well as under the influence of topography.
(iv) Their direction is north-westerlies down the Ganga,
alley and northerlies over the Ganga-Brahmaputra Delta.
(v) Over the Bay of Bengal, the trade winds retain their
original north- easterlies direction, as they are free from the influence of
any topography over the sea.
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