Biology, 28.10.2019 03:31, payshencec21
Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don’t stick. he guesses that the door of the refrigerator is made of a nonmagnetic substance. what stage of scientific investigation does his guess represent?
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Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don’t stic...
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