Oxidises

... doesnt cool the atmosphere to my knowledge, and in fact is actually not our main concern. DMS (dimethyl sulphide) does cool the atmosphere as it oxidises to sulphate and nucleates water to form cloud...and this stuff is released from phytoplankton blooms as above ( Emiliania huxleii the coccolithophore, ...

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... only floresces green when hit by blue light, it does not generate light. Squid do not have it. You might wanna look into luciferase. Luciferase oxidises a substrate and converts the released energy into light. Unlike GFP, luciferase actually "produces" the light

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