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Natural disasters

Communication

Communication is very important in emergencies, because without communication its very rare that you'll be safe from any disaster, there are many ways you can communicate, as soon as you communicate (in any way) you'll be safer knowing there's somebody that knows your in danger.
There are many forms of communication, as i mentioned earlier. Some forms that were recently used in Tsunami's and Hurricane's is the phone and the internet. sometimes those objects are not available in many ways therefore we need to go to more manual things, like mirrors, smoke, etc.
The essential information that needs to be sent during an emergency, is the emergency itself, the location and probably the time. Sometimes before the emergency occurs you might be able to warn someone or get ready the tools of communication. For the communicating online all you need is a mobile or a computer and a internet connection.

The Bangladesh Cyclone

The population density in Bangladesh (2,639 people per square mile ) is leaving some people homeless. When Cyclone Sidr struck many people had no where to go and many people were lost, the density was much less, b;ut this was nothing compared to what happened in Bangladesh in 1991.