Answer:
Al
Explanation:
The reduction potentials of the metals are
Al= -1.66
Zn= -0.76
Cu= +0.34
Pb= -0.13
Hence All has the most negative reduction potential and is the most reducing element among all the elements listed.
Answer: is the benefit worth the cost?
Explanation: for those on edge :)
maybe, but id rather do automotive stuff, thats my second option.