Fun Fact: Before photosynthesis appeared, hydrogen sulfite (H2S) may have been life�s first source of energy. Sulfur is one of the most important elements in the living cell, appearing in two types of amino acids and in countless other compounds.
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Fun Fact: Before photosynthesis appeared, hydrogen sulfite (H2S) may have been life�s first source of energy. Sulfur is one of the most important elements in the living cell, appearing in two types of amino acids and in countless other compounds. |