4. Accidents are quite common. An
accident which involves a no. of people
becomes a disaster. Eg of these disasters
are air crashes, train or vehicles
collisions, capsizing of boats etc.
5.
6. This is another type of disaster
that results in loss of life and
property. Terrorists use violence and
strike without warning. They use
bomb, guns etc to terrorize people.
7.
8. Epidemic occurs when a disease
attacks a large no of people at one time.
It spreads at rapid rate among human
population. Most of diseases are spread
after natural disaster like tsunami, flood
etc.
9.
10. It is a type of explosion deriving its
force from nuclear reactions of fission and
fusion It is of two types fission and fusion
Egs. Of fission are atomic bombs, A-bombs,
fission bombs Egs. Of fusion bombs are
hydrogen bombs H-bombs, fusion bombs
etc.
