state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Knowledge Ecology and Environment Environmental pollution
In the Earth's atmosphere, which of the following have the property of absorbing the heat and contributing to the warming of the atmosphere?
a) Carbon monoxide
b) Oxygen
c) Soot
d) Water vapor
Select the correct answer using the code given below:
1
a and b only
2
a, c and d only
3
c and d only
4
a, b, c and d