Answer:
The correct answer is option D.
Step-by-step explanation:
Air masses are the two vast areas of air with different pressure and temperature but within the regions the pressures and temperatures are similar as one other. The regions of colliding air masses called as weather front.
At this front, the denser air mass slips quickly while the less thick air mass ascent rapidly. Because of the world's revolution, the Coriolis impact makes the front turn into a channel and can bring about tropical storms and tornadoes.
Thus, the correct answer is : option D.