How many devastating tornadoes are there in a year?

What is the biggest fire in the world? Too little rain falls there is a? How much does it cost to repair a house after a tornado? What type of structure is fire resistive? What was the major earthquake happened in the Philippines? Which FEMA mitigation program assists in implementing long-term hazard mitigation measures following Presidential disaster declarations? How are alpha particles used in smoke alarms? What are some safety precautionsi using fire? Which human intervention should be used in an area prone to flooding? F your sump pump overflows due to a power outage does your insurance cover it? When must a Fire Control Alignment Test be conducted? Is there an all class ABCDK type extinguisher available? If you cross a red and a red flower and you come up with white what does that prove? Make disaster an adjective and put it in a sentence? Were there any warning signs before the eruption on mount pelee in 1902? Where is Christa McCauliff's family today? What are effects of droughts on human life? What is the role of civil defence in disaster management? What happens if youburn or kill a nino de la tierra? Are fire extinguishers made of mild steel?