Question

Along a front, which type of air is always forced upwards? A. cooler, denser air

B. warmer, less dense air
C. the driest air
D. occluded

Answer 1

The answer is warmer, less dense air. This is because cool air is very dense and tends to sink below warmer air.

Answer 2

b) warmer, less dense air

Hope I helped! ( Smiles )