The word insulate means to protect from heat, cold,...
So when a can is insulated, means that is protected from heat.
So the answer is:
C. stays the same :)))
I hope this is helpful
have a nice day
I think its the left one (sorry if im wrong)
Answer:
the pH
Explanation:
The condition that should not be kept the same in each of the five test tubes is the pH.
Since <u>the aim of the experiment is to investigate the effect of pH on the activity of the lipase enzyme</u>, the pH is, therefore, the <em>independent variable</em>. Thus, it must be controlled or varied in all the test tubes in order to see its effect on the activity of the enzyme, which, in this case, would be the dependent variable.
Cellular reproduction is the answer
