Catalase is an enzyme used to accelerates chemical reactions in the human body. The performance of an enzyme depends on the pH levels. Catalase performs best at the optimum pH of 7. However, it weakens or denatures at pH levels above 10 though the range may differ on other species.
Answer: selective breeding which means whenever a farmer picks out certain traits for an animal for it's specific environment or skills dey will need to live dere.
Explanation:
