Question

WHAT IS PHOTO SYNTHESIS?

Answer 1

photosynthesis is the process by which living green plants produce food substances(glucose) in presence of sunlight using CO2 and H2O as raw material

Answer 2

Photosynthesis is the process by which make their food.
(Photo = light, synthesis = to combine)
There are 4 things needed for photosynthesis. They are:

1) Light
2) Water
3) Carbon di oxide
4) Chlorophyll

The equation for photosynthesis:
                        ENERGY
6 CO  +6 H O ---------------> C H   O   +6 O
        2        2                          6 12   6        2

Hope this helps.....