If this extra pressure acts on the inside of your 8.4-mm-diameter eardrum, what is the outward force

To use anything transparent

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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Answersinking of oceanic lithosphere into the mantle at a subduction zone