Question

question 5 (1 point) in the virtual lab exercise, why was pure water used as a control group? 1) it was not necessary to use the control group 2) the control group represented a real cell but the others did not 3) the control group provides a standard to compare with the experimental group 4) none of the above

Explanation:

In experiments, a control group like pure - water is used to establish a baseline or standard. This allows researchers to compare the results of the experimental group against it to determine the effect of the variable being tested.

Answer:

1. The control group provides a standard to compare with the experimental group