The process of photosynthesis begins when plants absorb sunlight through chlorophyll. This energy is then used to convert carbon dioxide and water into glucose, which serves as food for the plant. Finally, oxygen is released as a byproduct into the atmosphere. What organizational pattern does the author primarily use in this passage?
✓ Correct Answer: Option C
The passage describes photosynthesis as a step-by-step process, using words like 'begins when,' 'then used to convert,' and 'finally,' indicating a chronological or sequential order of events.