Decades: 1180s 1190s 1200s 1210s 1220s - 1230s - 1240s 1250s 1260s 1270s 1280s
Years: 1229 1230 1231 1232 1233 - 1234 - 1235 1236 1237 1238 1239
Births
Deaths
... pigment molecules. The typical overall chemical reaction of photosynthesis is: 6H2O + 6CO2 + light → C6H12O6 (glucose) + 6O2 In simple English terms, th ...