Answer: Catalase functions the best at the pH of 7 because the pH of 7 is not too acidic or alkaline. It is on the normal scale, like water. Catalase can't be placed in an acidic liquid. It can not be placed in an alkaline liquid either.
Hope this helps!
YES YES YES YES YES YES YES YES I don’t get what u are saying but points for me!
Zit sure has to be B. Pollution