Biology, 20.04.2021 21:50 blakesmith0110
Justin is planning his science fair project. He wants to measure how oxygen levels affect the rate of photosynthesis in plants. Is this an example of a scientific investigation or an experiment?
An experiment because it tests a cause and effect relationship
An experiment because it does not ask a testable question
An investigation because it uses only observations
An investigation because there is a control group
Answers: 2
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Justin is planning his science fair project. He wants to measure how oxygen levels affect the rate o...
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