Energy of sunlight is fixed by green plants and trapped in `C-C` bond of sugars through process of photosynthesis. This explains which law of thermodynamics ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Photosynthesis**: Photosynthesis is the process by which green plants convert sunlight into chemical energy. During this process, plants absorb sunlight and use it to convert carbon dioxide and water into glucose (sugar) and oxygen.

2. **Energy Transformation**: In photosynthesis, light energy from the sun is transformed into chemical energy stored in the bonds of glucose molecules. This transformation is crucial for the survival of plants and forms the basis of energy flow in ecosystems.

3. **Law of Conservation of Energy**: The process of converting one form of energy (light) into another form (chemical) aligns with the law of conservation of energy. This law states that energy cannot be created or destroyed; it can only be transformed from one form to another.

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