2022 · Q31
Trough and ridge are
indian-world-geographyclimatology
- Aelongated area of low pressure and of high pressure respectively
- Belongated areas of low pressure
- Celongated areas of high pressure
- Delongated area of high pressure and of low pressure respectively
Explanation
In meteorology, a trough is an elongated area of relatively low atmospheric pressure, while a ridge is an elongated area of relatively high atmospheric pressure. Troughs are associated with rising air and unsettled weather; ridges with subsiding air and fair weather. Option B and C each describe only one of the two features, and option D reverses them. Hence option A.