In the context of Extra-tropical cyclones in the Northern Hemisphere, consider the following statement:
1. They can originate only over the sea.
2. Their approach is marked by a fall in the temperature and thin veil of cirrus clouds.
Which of the above-given statements is/are correct?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2