Investgation

Why is communication so important during an emergency?
Communication is so important because if there are any earthquakes every body can move from the country and be safe. Also you can use computer and radios to help get to all people quickly.
What forms of communication have been used during recent disasters e.g Hurricane Katrina, the Tsunami?
the communications that have been used during the radio and internet and newspaper wacky tacky and text message .
What essential information needs to be communicated during a disaster or emergency?
Food , shelter , safety, and clothes
What information can be created before the emergency? What information needs to be communicated during the emergency?
When is the emergency is coming, how bad it is , during the emergency you can tell were is the best place to be during the thing.
What hardware and software is required to be able to communicate online?
Some software and some hardware are facebook google ask flickr youtube yahoo messenger