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!
True, reddish-yellowish color on pH paper shows acidity
Particle size of soil and aeration capacity play important roles in plant growth
Answer:
A. hairs on the back stand up when scared
Explanation:
B and C are not responses to stimuli, and D is a response to internal stimuli
