latoyabrown893 latoyabrown893
  • 01-08-2017
  • Biology
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A scientist conducts an experiment to test the effects of light on earthworm activity. Which is a variable in this experiment?

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vladdobra
vladdobra vladdobra
  • 01-08-2017
The amount of light. He is testing the effects of light, which implies there will be different amounts of light tested to reach a conclusion.
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