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Chemistry, 10.12.2020 20:10 idk5233

PLZ HELP I WILL GIVE YOU 30 POINTS You are designing an experiment to test the efficiency of different bikes. What simple machines helped to make this complex machine?

wedge, pulley, and wheel and axle

wedge, screw and wheel and axle, inclined plane

screw, inclined plane and wheel and axle, pulley

screw, lever, and wheel and axle

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