Which of the Following Is the Best Definition for a Natural

Which of the following is the best definition for a natural disaster?

A) An extreme event triggered by human activities,which poses a potential threat to human life or property.
B) An extreme natural event that occurs in a remote unpopulated area.
C) An event that kills a significant number of people or results in large economic losses,triggered by a natural event.
D) An event that could be triggered by natural processes,which poses a potential threat to human life or property.
E) An extreme event triggered by human activities that occurs in a remote unpopulated area.