In which among the following situations, temperature inversion occurs?
1. when warmer air lies above cooler air
2. when cooler air lies above warmer air
3. when warmer air moves in from the south, displacing cooler air
4. when cooler air moves in from the north, displacing warmer air
Select the correct option from the codes given below:

Answer: [A] Only 1

The term temperature inversion describes the vertical layering of air masses, not their horizontal movement.

This question is a part of GKToday's Integrated IAS General Studies Module