During photosynthesis,_____and water are used to make carbohydrates

Explanation

**Step-by-Step Solution:**

1. **Understanding Photosynthesis**: Photosynthesis is the process by which green plants make their own food. It occurs mainly in the leaves of plants.

2. **Key Ingredients**: The primary ingredients required for photosynthesis are:
- Carbon Dioxide (CO2)
- Water (H2O)
- Chlorophyll (the green pigment in plants)
...