The most important function of osmosis is stabilising the internal environment of an organism by keeping the water and intercellular fluids levels balanced. In all living organisms, nutrients and minerals make their way to the cells because of osmosis. This obviously is essential to the survival of a cell.
Photosynthesis is a process when the plants is absorbing sunlight to use the sunlight to make energy for them.
Photosynthesis equation :
6CO2 + 6H2O -> C6H12O6 + 6O2
Carbon dioxide + Water -> Sugar + oxygen
The correct answer is water