Decades: 1290s BC 1280s BC 1270s BC 1260s BC 1250s BC - 1240s BC - 1230s BC 1220s BC 1210s BC 1200s BC 1190s BC
Significant People
... oxidize it, producing sulfates. In general, photosynthesis requires a source of hydrogen with which to reduce carbon dioxide into carbohydrates. Van Neil's proposal was ...