A salt bridge . A. is made up of an aqueous ionic compound
B. has positive ions that are attracted to the cathode
C. has negative ions that are attracted to the anode
D. allows the reaction of the galvanic cell to continue
E. All of the Above

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.

Ions gain or lose electrons

The answer is b because c don't explain why the moths are on them and it isn't a because as we know only one species of moth does this