Select the best answer for the question.

Which of the following equations represents the correct chemical process that occurs in photosynthesis?

A. Six molecules of oxygen plus six molecules of water plus light energy convert to six molecules of carbon dioxide plus sugar.
B. Six molecules of carbon dioxide plus six molecules of water plus light energy convert to six molecules of oxygen plus sugar.
C. Six molecules of carbon dioxide plus sugar plus light energy convert to six molecules of carbon and six molecules of oxygen.
D. Six molecules of water plus six molecules of hydrogen plus six molecules of oxygen convert to light energy plus sugar.