Why do we need levees?

In an ICS incident When command is transferred then all personnel with a need to know should be told? When was the last flood in Corning California? Which items work to stop bleeding? How do you protect yourself from a dangerous frog? Did the people make tornadoes? When should you go to the ER when you know you are having a miscarriage? What should be done following an exposure incident? River derwent flood how many people died? How does arson impact the community in a negative way? How sprinkular deluge system stop after finish fire? How many people died inside the twin tower when a plane crashed into it? How often should fir extinguishers be retagged? Does a fire alarm have a sensor? How many safety people are required a construction site? How do you fight an electrical fire if have no fire extinguisher? How many people lost their homes in cyclone Tracy? Are there going to be aftershocks of the tornado? Recommendation on how to overcome floods? What does the acronym FEMA stand for? What gas is in a extinguisher?