R-selected species have a short life span and an early reproduction cycle.
A class was performing an experiment to discover the pH values of some common household substances. The results of three groups are shown in the table below.SubstanceGroup 1 pHGroup 2 pHGroup 3 pHLemon juice2.22.22.1Vinegar2.82.88.2Baking soda8.48.58.4Milk of magnesia10.210.310.2Which statement best describes evidence that Group 3’s data are less valid than the data for the other two groups?
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