To provide evidence of the possible difficulties the narrator and his father encounter in dragon wings the film would be need to include images of

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.

  250,000 to 10,000

A  documentary film  is a nonfictional motion picture intended to document some aspect of reality, primarily for the purposes of instruction, education, or maintaining a historical record.example: farenheit 911

Yes and no because if you know the vocabulary used you will understand it and go faster but you might not need it