Chemistry, 23.11.2019 01:31, akamya21

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?

group of answer choices

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...