In India, during October-November, with the apparent movement of the sun towards the south, the ______ over the northern plains becomes weaker.
- A.Upper level trough
- B.Monsoon trough
- C.Lee trough
- D.Inverted trough
Show answer
The monsoon trough is the belt of low pressure that lies across the northern plains during the rainy season and guides the depressions that bring rain.
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