The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air? 1. Vegetation 2. Water 3. Carbon dioxide 4. Oxygen 5. Nitrogen

The absence of which among the following causes the temperature of the

1.	The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air? 1. Vegetation 2. Water 3. Carbon dioxide 4. Oxygen 5. Nitrogen
A.	1 and 2
B.	3 and 4
C.	2 and 3
D.	2 and 5
Answer» D. 2 and 5