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These nine panels each show model-predicted vertical profiles of the mixing ratios of the organic sulfur species. Panels toward the left are for planets orbiting stars with greater UV radiation, and panels toward the bottom are for planets with higher biological Sorg production. The Sorg mixing ratios increase with higher ground Sorg fluxes (bottom panels) and with lower UV radiation (right panels). Color images available online at www.liebertonline.com/ast
