Fill in the blanks:

(i) A disaster is a sudden …………… that may cause displacement of great number of people.

(ii) Traffic accidents, chemical and industrial accidents and epidemics are …………… disasters.

(iii) …………… occur in hilly areas.

(iv) Natural disasters occur …………… .

(v) Kedarnath is in …………… .

Explain the following:

Natural disaster

Explain the following:

Hybrid disaster

Define a disaster. State any three effects of a disaster.