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Question 6 (2 points)

You are researching the effect of sunlight on plastic decay. You buy three plastic flashlights. You keep one in a dark closet for a month. You keep one outside all day every day for a month during summer. Keep one outside all day once a week for a month during summer. You then assess the decay of each flashlight. What is the independent variable in this experiment?

How much sunlight each flashlight gets (or doesn't get)

How much decay happens in each flashlight?

The type of plastic in the flashlight

Respuesta :

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Answer:

How much sunlight each flashlight gets (or doesn't get)  

Explanation:

The independent variable is the variable that the investigator changes.  

You are controlling the amount of sunlight each flashlight gets (or doesn't get).

B is wrong. The amount of decay is the dependent variable.

C is wrong. The type of plastic should be a controlled variable.

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