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ICE Princess25 [194]
4 years ago
9

The experimental group left alone during the experiment? True or false

Biology
1 answer:
iris [78.8K]4 years ago
3 0

Answer:

In a controlled experiment, only one variable is tested at a time. It is called the manipulated or independent variable. The experimental group will test the independent variable. The control group will be left alone, so you have something to compare your results to.

Explanation:

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