chelsiemarie17 chelsiemarie17
  • 06-12-2016
  • Biology
contestada

Chemical reactions that release energy
A. will not occur.
B. often occur spontaneously.
C. need catalysts to occur.
D. will always explode.

Respuesta :

debinbk debinbk
  • 06-12-2016
The answer is B.hope this helps
Answer Link

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