If you wanted to perform a controlled experiment to test the effect of temperature on the pressure of a bicycle tire, which of the following would be necessary? two identical bicycle tires one bicycle tire kept at a constant temperature one bicycle tire that experiences changes in temperature different amounts of air in each tire

If I understand the question correctly then I would say that it is "one bicycle tire kept at a constant temperature one bicycle tire that experiences changes in temperature" because that would allow one tire to be a control and the other to be affected by the variable. Hope this helps! :D

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