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Biology, 19.10.2021 15:10 AphEngland
There were three proposed hypotheses in the experiment: Application of a keratinase enzyme-based relaxer can be used to permanently reduce the curliness of human hair. Keratinase (an enzyme-based relaxer) is a better relaxer than lye. People should not relax their hair. Why was the first hypothesis tested, but the other two were not
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