Which phenomenon causes 'Amphan' cyclones in the Bay of Bengal?
- Warm sea surface temperatures
- Low wind shear
- High humidity
- All of these
Answer: All of these
Cyclones like Amphan form in the Bay of Bengal due to warm sea surface temperatures (>26.5°C), low vertical wind shear, and high humidity. These conditions provide energy for cyclone development. Climate change may increase cyclone intensity.