How many devastating tornadoes are there in a year?

Definitin of what your role is to look for under hazard elimination or control? What is disaster prone? What is the safe way to build a fire in the wilderness? How could tornadoes kill people? How have people adapted to summer rains in the monsoons? What action should be taken when an accident happens in workplace? Why do certain people feel the need to save people? Which was not a result of the 1986 chernobyl disaster? Why do we have to raise the casaulty's legs when they have shock? What are the reporting procedures for risk and hazards? What does American Red Cross try to relieve? How can you keep safe from a tornado warning? The Importance of Home Emergency Kits? Why did the Joplin tornado happen? What are the effect of hazard in the workplace? Is-279 test answers? What are some safety procedures for tornadoes? How often does flooding occur in the Philippines? What is the difference between a tornado and a tornado watch? What does the proverb save for a rainy day mean?