Two jars are placed on a counter with a mcdonald's french fry inside, one has a lid, the other does not. they are left alone to see which one decays faster, after 2 days the fry in the closed jar looks fresher. what is the independent variable? what is the dependent variable? what is the control variable?
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Two jars are placed on a counter with a mcdonald's french fry inside, one has a lid, the other does...
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