soil, water, and oxygen oxygen, sunlight, and soil carbon dioxide, sunlight, and soil sunlight, water, and carbon dioxide
I gave my students this multiple choice question: What does a plant need to make sugar through photosynthesis?

Only one answer is correct among these 4 choices:
- soil, water, and oxygen
- oxygen, sunlight, and soil
- carbon dioxide, sunlight, and soil
- sunlight, water, and carbon dioxide

Could you tell me which one is correct?

sunlight, water, and carbon dioxide