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In an appropriately designed experiment, a scientists is able to test the effect of:

1. a single variable
2. multiple variables
3. the hypothesis
4. scientific observations

2 Answers

2 votes
1. A single variable
User Hayk Martiros
by
8.3k points
6 votes

Answer: A single variable.

Explanation: This allows the scientist to determine if the independent variable has an impact on the subject.

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