9. a ground-based radiometer operating at a wavelength of 0.45 µm is used to measure the solar radiance reaching the radiometer, io. for a solar zenith angle of 30°, it measures an io = 1.74 x 107 wm-2 µm-1 sr-1 . for a solar zenith angle of 60° it measures an io = 1.14 x 107 wm-2 µm-1 sr-1 . from this information, determine the solar radiance that’s normally incident at the top-of-atmosphere and the atmospheric optical depth.

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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.

We have no idea what the graph shows, or why it may be accurate,  because we can't see the graph.on a different subject, choice ' d ' is the only true statement among the choices.