ACT Science Question of the Day
Test your knowledge with a hand-picked multiple-choice question.
Three different species of bacteria were grown in the laboratory. The experiment measured the effect of pH on the concentration of the three species of bacteria. The graphs below show the concentration of bacteria at different pH levels. Figure 2 shows the effect of pH on the concentration of a third bacterial strain, bacteria C.
Which statement, if true, would serve to weaken the experiment?
Select an answer and click Check.
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