Compartments:
   CO2:     initial value = 100
   H2O:     initial value = 100
   C6H12O6: initial value = 0
   O2:      initial value = 0
Flows:
   CO2_used    = 6*rate
   H2O_used    = 6*rate
   sugar_made  = rate
   O2_made     = 6*rate
   from_atmos  = 0
Variables:
   rate        = 0.01*CO2*2*(temperature/10)