“To aware people against earth quack, Tsunami or Cyclone by rehearsal/practical showing protection measure is more effective”. Is it true or not?

Yes it is true.Earth quack, Tsunami or Cyclone come in any corner of our earth naturally and suddenly.
A lot of people,animal die and injured during these natural disaster.A lot of house ,office,roads and valuable resources damaged by these monster.So we must trained up the possible affect people previously as they can save their life as well as their resources.Training or awareness on protective measure on these issues by rehearsal/practical showing can make good results among those people.