Energy of reactants is higher than the products , I am not sure through
D) All three bulbs would go out because the circuit would no longer have a ground thereby deeming it "open".
A circuit with many paths for the current to travel through and not simply one is classified as a parallel circuit. Here the circuit can have many loops of resistors or light bulbs that can be attached.
Bleaching hair i a physical change i think; it washes the pigments out.
i hope this helps (;
