What distinguishes an accident from a disaster?

A. An accident is an emergency an entire region, whereas a disaster
is an emergency for hospitals.

B. An accident is an emergency for the individual involved, whereas a
disaster is an emergency for the affected community.

C. An accident is an emergency for the affected community, whereas
a disaster is an emergency for hospitals.

D. An accident is not an emergency, whereas a disaster is an
emergency for the individuals in the affected community.