C!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
If ΔG is negative, the reaction is always spontaneous.
If ΔG is positive, the reaction is non-spontaneous and will require a sustained input of energy for it occur.
If ΔG is zero, the reaction is at equilibrium and no work can be done.
Parasitic Flatworms do not have a digestive system because they do not need to digest there food. They just suck in nutrients already digested by the host they are in.
The answer is C decomposition