Question #6404550Single Choice
Biology
Question
Consider a scientific experiment in which a group of scientists wanted to study the effects of a new drug Wonderdrug 0 that is being tested in rats to see if it is effective in preventing cancer.
3. Which of the following is NOT a variable the group should control?
3. Which of the following is NOT a variable the group should control?
Options
A
The health of the rats
B
The gender of the rats
C
The food available to the rats
D
All of those factors should be the same for the control group and experimental group
Answer & Analysis
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