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Decades: 600s BC - 590s BC - 580s BC - 570s BC - 560s BC - 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC
Significant People
... Photosynthesis has two distinct stages, called the light reaction and carbon fixation[?], which typically occurs via the Calvin cycle. Table of contents 1 The ...