Cool jazz was in part a reaction to
a. bebops emphasis on speed.
b. black musicians demand for civil rights.
c. the heroin use of many bebop stars.
d. the death of charlie parker.

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.

The term is called adduction 

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