Question

question 1
how is a control group treated in a scientific experiment?
the control group receives only the experimental variable and nothing else.
the control group receives all the same treatments except the experimental (independent) variable.
the control group is treated exactly the same as the experimental group.

Explanation:

In a scientific experiment, the control group serves as a baseline. It is treated the same as the experimental group in all respects except for the experimental (independent) variable, which is not applied to it. This allows researchers to compare results and determine the effect of the variable.

Answer:

The control group receives all the same treatments except the experimental (independent) variable.