A 2 kg box is sliding down a frictionless ramp as the shown in the figure below, it starts from rest and slides a distance d=5.5 m. Find its speed when it reaches the bottom of the ramp.

You would need to take a picture so i can see

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.

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