Q: 9 (IAS/2002)

Consider the following climatic and geographical phenomena:
1. Condensation
2. High temperature and humidity
3. Orography
4. Vertical wind
Thunder Cloud development is due to which of these phenomena?
question_subject: 
Geography
question_year: 
2002
question_exam: 
IAS
question_sub_subject: 
Physical Geography
question_topic: 
Atmosphere
stats: 
0,4576,3336,1672,792,872,4576