Health, 25.09.2020 14:01 dmperez1213

Here's a hypothesis for the duckweed experiment: “if duckweed is grown at pH 5, then it will grow at the same rate as when grown at pH 7, or normal pH, because it can tolerate mildly acidic environments.” Which elements should be controlled variables for this experiment? Check all that apply. environmental pH
timing of experiment
duckweed population
environmental light
amount of nutrients
environmental temperature

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Here's a hypothesis for the duckweed experiment: “if duckweed is grown at pH 5, then it will grow at...