Concept:Rainfall formed when two contrasting air masses meet is known as frontal or cyclonic rainfall.
Explanation:A warm air mass and a cold air mass meet at a front.
The warm, lighter air is forced to rise above the cold, denser air.
As it rises, the warm air cools and condenses.
Clouds form and rainfall follows.
This process occurs along cyclones and their associated fronts.
Thus, the correct term for this type of rainfall is cyclonic rainfall.
Answer:C. Cyclonic