..................involves conversion of solar energy into chemical energy.

Explanation

**Step-by-Step Solution:**

1. **Identify the Process**: The question asks for a process that converts solar energy into chemical energy.

2. **Recall Relevant Biological Processes**: The primary biological process known for this conversion is photosynthesis, which occurs in plants.

3. **Define Photosynthesis**: Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy (solar energy) into chemical energy in the form of glucose.

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