sunlight, oxygen, and carbon dioxide sunlight, water, and carbon dioxide water, oxygen, and carbon dioxide water, oxygen, and sunlight
I gave my students this multiple choice question: What do producers need to make food?

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

Could you tell me which one is correct?

sunlight, water, and carbon dioxide