Which of the following statements best justify the inclusion of group 2 as one of the controls in the experiment? a) i will show whether the changes observed in group 1 depend on the metabolic activity of boll bacteria b) will show whether the changes observed in group 1 depend on the type of plants used in the experiment. c) it will show the average growth rate of seedings that are maintained in a nonsterile environment d) i will show the changes that occur in the roots of seedlings following an infection by soll bacteria.
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Which of the following statements best justify the inclusion of group 2 as one of the controls in t...
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