Decades: 540s BC 530s BC 520s BC 510s BC 500s BC - 490s BC - 480s BC 470s BC 460s BC 450s BC 440s BC
499 BC - 498 BC - 497 BC 496 BC 495 BC 494 BC 493 BC
Deaths
Events
... during photosynthesis. Light-dependant reaction The first stage of the photosynthetic system is the light-dependant reaction, which converts solar energy into chemical ...