His bike has wheels of diameter 85cm He invented a counter for his bike, which counts how many revolutions the wheel does One day the counter shows 290 revolutions How far has billy cycled to the nearest meter

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.