4. The chemical energy in the person's body is transformed into when they peddle the bike, causing the generator to rotate. Some energy in the bike wheel is lost to . The generator produces electricity, which heats the water, causing it to produce thermal energy in the form of steam. When the person's chemical energy runs out, how do you replenish it?
C
by having them peddle fasterD
by having them stop peddlingThe body gets chemical energy from food. When a person pedals, their body converts that stored chemical energy into motion, and some of it is transferred through the bike and generator. Eating food replenishes the body's energy stores, so the correct choice is by feeding them food.
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