3. what is a perfect 5th (p5) above the c on the staff below? music

A perfect 5th above C is a G, and on the treble clef a G is written on the 2nd line from the bottom

If another staff is used, please do tell me.

I hope this helps!

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.