Which three types of air masses are needed to form a tornado? (pick 3)

warm, moist air
warm, dry air
cold, moist air
cold, dry air
temperate moist air
temperate dry air

warm, moist air

warm, dry air

and

cold, dry air

Explanation: Tornado alley has many tornadoes because of the warm, moist air from the Gulf of Mexico, the warm, dry air from southwest United states, and the cold, dry air moving down from Canada.

yes your family should move to canada. canada is one the largest country in western hemisphere. and the second largest country in the world after russia. you should also move to canada because of the weather you can have snow and the sun. another thing is that the costing of living out there is not that bad to begin with. you have to know your rights.

explanation: