Fact 1: Zinc has a positive impact on the healing of wounds. Fact 2: All wounds heal by scarring. Given the two facts above, what has a positive impact on wounds scarring?

[+] fibers;
[+] tube;
[+] heat;
[+] Light;
[+] zinc;
[+] Sight;
[+] warmth;
[+] tissue;
Answer:
zinc