Physics, 30.07.2019 06:00 jpichardo2021

In an experiment to test the hypothesis that added phosphate will cause marigolds to produce more blooms, the experimenter has two groups of pots planted with marigold seeds. one group gets watered with phosphate added to the water, while the other group gets watered with no phosphate. both groups get the same amount of water and light. which is the independent variable in this experiment?

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In an experiment to test the hypothesis that added phosphate will cause marigolds to produce more bl...