Dr. Jalli wonders what antibacterial, or cleaning substance, kills the most bacteria. He designs an experiment to test four antibacterials by putting them onto colonies of bacteria and measuring how much of the bacteria is killed. His results from each of three trials are listed below:
From the information in the tables, which of the following is an appropriate conclusion?
A.
Antibacterial 1 was the most effective at killing bacteria.
B.
All of the antibacterials had the same effectiveness at killing the bacteria.
C.
Antibacterials 2 and 3 were the most effective at killing the bacteria.
D.
None of the antibacterials killed any bacteria.
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Explanation:
A.
Antibacterial 1 was the most effective at killing bacteria.
B.
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