The correct option is D All the above
Disaster management is the management of resources and activities before, during, and after a disaster. It includes various steps such as preparation and mitigation which means the preparation of resources and the spread of awareness to reduce the effects of disaster if disaster happens. The response is done during the disaster which means the arrangement of all human needs ex- food, shelter, medical help etc. and reconstruction and rehabilitation is done after the threat of disaster subside where attemts are made to bring affected area to its normalcy.