Biology, 12.04.2021 17:40, taylahflynn5123

Which of the following would best improve the validity of the experiment? Eliminating tank 1, because the DO stayed the same Eliminating tank 1, because the DO stayed the same A Observing the results of adding organic waste to tanks containing salt water Observing the results of adding organic waste to tanks containing salt water B Repeating the experiment several times and comparing the results Repeating the experiment several times and comparing the results C Increasing the amounts of green algae in each of the tanks, with tank 5 having the greatest amount Increasing the amounts of green algae in each of the tanks, with tank 5 having the greatest amount D Adding different types of waste to each tank and then checking the results

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Which of the following would best improve the validity of the experiment? Eliminating tank 1, becaus...