Question

Navah writes out the chemical equation for photosynthesis. She includes two reacting molecules to the left of the arrow and two resulting molecules to the right. What must be added to the chemical equation to more accurately represent photosynthesis?
a. light energy, above the arrow
b. chlorophyll, to the left of the arrow
c. enzymes, to the left of the arrow
d. ATP, above the arrow

Answer 1

a. light energy, above the arrow

Photosynthesis is a process wherein light energy is converted into chemical energy. 
Components of photosynthesis:
Water
Carbon Dioxide
Light energy, mostly from sunlight, is the main requirement for photosynthesis to occur.