Which one of the following pairs is mismatched ?

Options

A. Fossil fuel burning - release of `CO_2`
B. Nuclear power - radioactive wastes
C. Solar energy - green house effect
D. Biomass burning - relase of `CO_2`

Answer

To solve the question of which pair is mismatched, we will analyze each option provided.

### Step-by-Step Solution:

1. **Analyze Option F: Fossil Fuel Burning - Release of Carbon Dioxide**
- When fossil fuels (like coal, oil, and natural gas) are burned, they react with oxygen to produce carbon dioxide (CO2) as a by-product.
- **Conclusion**: This pair is correctly matched.

2. **Analyze Option G: Nuclear Power - Radioactive Waste**
- Nuclear power generation involves the fission of uranium or other radioactive materials, which produces energy and also generates radioactive waste as a by-product.
- **Conclusion**: This pair is correctly matched.

3. **Analyze Option H: Solar Energy - Greenhouse Effect**
- Solar energy harnesses sunlight to generate power, and it does not produce greenhouse gases during its operation. In fact, it helps reduce greenhouse gas emissions by providing a clean energy source.
- **Conclusion**: This pair is incorrectly matched. Solar energy does not contribute to the greenhouse effect; it actually helps mitigate it.

4. **Analyze Option I: Biomass Burning - Release of Carbon Dioxide**
- When biomass (organic material) is burned, it releases carbon dioxide into the atmosphere, similar to fossil fuels.
- **Conclusion**: This pair is correctly matched.

### Final Answer:
The mismatched pair is **Option H: Solar Energy - Greenhouse Effect**.

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