Claim: "Cyanobacteria play a key role in environmental chemistry and bacteria fields."\nIs the claim above correct, and can it be verified by human common sense and without a web search?\nOptions:\n- yes\n- no Let's think first. Step-by-step reasoning process:
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Cyanobacteria are responsible for many different forms of synthesis, including photosynthesis. So, the answer is yes.
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