Q: Trough and ridge are
(a)elongated area of low pressure and of high pressure respectively
(b)elongated areas of low pressure
(c)elongated areas of high pressure
(d)elongated area of high pressure and of low pressure respectively
Correct Answer: (a)
The correct answer is (d) 'elongated area of high pressure and of low pressure respectively'. This question from the General Studies domain tests knowledge of Miscellaneous.