Decades: 1330s BC 1320s BC 1310s BC 1300s BC 1290s BC - 1280s BC - 1270s BC 1260s BC 1250s BC 1240s BC 1230s BC
Significant People
... of these produce globules of sulfur as a waste product instead of oygen, while others further oxidize it, producing sulfates. In general, photosynthesis requires a source of ...