A .100 kg toy car is placed in front of a spring with a constant of 500 N/m. If the spring is compressed .05 m, and loses 0.1 J of energy, how fast will the toy car go?

The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.