In multiple points perspective, why do the vanishing ponts not appear on the canvas itself?

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.

Ibelieve the answer is the second one. plz don't kill me if i got it wrong. > .<

For #1 i believe the answer would be d. because it is hard to perfect thatfor #3 i believe the answer would be b. because latin root meaning round  for #6 i believe the answer would be a. because it is a jewish thing

Yes because in graphic design you add elements of art into one piece and/or program. although, you place together graphic designs on a computer,  you still have to know about the principles of design which is included in art.