A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faste. They grow one group of bean plants in the presence of the compound and another group in the absence

A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faste. They grow one group of bean plants in the presence of the compound and another group in the absence of the compound. Then they write up a presentation about the experiment stating that the compound promotes plant growth. Which step is missing in their methodology?

A. A hypothesis
B. A control group
C. Data analysis
D. A conclusion

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A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faste. They grow one group of bean plants in the presence of the compound and ano…

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