We have that Negative-feedback control systems "reverse deviations in the internal environment"
From the question we are told that
a. help reach thermodynamic equilibrium
b. stabilize the internal environment at maximum entropy
C. reverse deviations in the internal environment
d. amplify deviations in the internal environment
Generally
Negative-feedback control systems
Therefore
Negative-feedback control systems "reverse deviations in the internal environment"
Option C
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