Answer:
Should be similar in most ways to the experimental subjects
Explanation:
Control subjects in an experiments are subject that are not exposed to the independent variable, they usually have the same features with the experimental variable which is exposed to the independent variable. Control variable are used as a standard to know the effect of the independent variable on the experimental variable.
Answer:
please post the video as well
1: You can change the hypothesis if the experiment is not supporting it.
2: They do not use scientific method.
First one He hoped winning in the north would gain Europe support for the south
