Q: 11 (IES/2015)

In the Earth’s atmosphere, which of the following have the property of absorbing the heat and contribute to the warming of atmosphere?
1. Carbon monoxide
2. Oxygen
3. Soot
4. Water vapour
Select the correct answer using the code given below:
question_subject: 
Science
question_year: 
2015
question_exam: 
IES
stats: 
0,2456,3992,152,3112,2456,728