water + carbon dioxide + energy -> sugar + oxygen oxygen + sugar -> carbon dioxide + water + energy carbon dioxide + oxygen + water -> sugar + energy sugar + carbon dioxide + energy -> oxygen + water
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which equation summarizes the process of respiration?
Possibilities:
- water + carbon dioxide + energy -> sugar + oxygen
- oxygen + sugar -> carbon dioxide + water + energy
- carbon dioxide + oxygen + water -> sugar + energy
- sugar + carbon dioxide + energy -> oxygen + water

oxygen + sugar -> carbon dioxide + water + energy