The water molecule would be a reactant, as in the formula for photosynthesis is <span>6CO2 + 6H2O =light energy=> C6H12O6 + 6O2 <em>(</em></span><em>http://www.chemicalformula.org/photosynthesis</em><em>)
This means that you need the water in order for photosynthesis to take place. I hope this helps! :D</em>
use this acronym king pharaoh can order for general scientists. king for kingdom, pharaoh for phylum,can for class,order for order, general for genus and scientists for species
