2015 · Q38
Which one of the following statements is correct?
General KnowledgeGeography
- ACold fronts move at slower rate than warm fronts and therefore cannot overtake the warm fronts.
- BCold fronts normally move faster than warm fronts and therefore frequently overtake the warm fronts.
- CCold fronts move at slower rate, and eventually they are overtaken by the warm fronts.
- DCold fronts move faster than warm fronts but they cannot overtake the warm fronts.
Explanation
Cold fronts consist of denser air that undercuts and advances faster than the lighter warm air ahead, so cold fronts frequently catch up with and overtake warm fronts, forming occluded fronts. Options A, C, and D contradict this basic dynamic of frontal systems. Hence B.