Respuesta :
Answer : The correct option is, (B) only an endothermic reaction.
Explanation :
Endothermic reaction : It is a type of chemical reaction in which the energy is absorbed from the surrounding.
Exothermic reaction : It is a type of chemical reaction in which the energy is released into the surrounding.
From the this we conclude that, the energy is added or absorbed during the egg cooking on a campfire. That means, it is an endothermic process.
Hence, the correct option is, (B) only an endothermic reaction.