Redirected from 504 BC
Decades: 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - 490s BC - 480s BC - 470s BC - 460s BC - 450s BC
Significant People
... sulfide instead of water in their photosynthetic pathway: CO2 + 2 H2S → CH2O + H2O + 2S Some of these produce globules of sulfur as a waste produc ...