Biology, 30.07.2019 16:30, chaycebell6662

Tommy is planning his science fair project. he wants to measure the rate of photosynthesis in plants that live in fresh water. is this an example of a scientific investigation or an experiment? an experiment because it shows a cause and effect relationship an experiment because it does not ask a testable question an investigation because it can be easily done in natural settings an investigation because there is a control group

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Tommy is planning his science fair project. he wants to measure the rate of photosynthesis in plants...