If an area has high density and repeated floods, what kind of planning is most suitable?

Correct answer: Disaster-safe housing and evacuation planning

Correct answer: C, disaster-safe housing and evacuation planning. High density means that many people and buildings may be located close together, while repeated floods create a known hazard. Planning should therefore reduce exposure and protect life: authorities can identify safer sites, enforce suitable building practices, maintain drainage where appropriate, prepare evacuation routes and shelters, and conduct warnings and drills. The exact measures depend on local conditions, but ignoring the risk is not acceptable. A is wrong because deleting data does not protect residents. B is the opposite of responsible planning. D is wrong because closing all services would harm people, especially during emergencies. Density and hazard should be studied together because a disaster can affect many people in a crowded area. Memory cue: high population plus repeated hazard requires preparedness, not denial.