The supersonic jets cause pollution by thinning of:

Options

A. `CO_(2)` layer
B. `SO_(2)` layer
C. `O_(2)` layer
D. `O_(3)` layer

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the type of pollution caused by supersonic jets, specifically which layer of the atmosphere is affected.

2. **Identifying the Layers**: The options provided are CO2 layer, SO2 layer, O2 layer, and O3 layer. It is important to know what each of these layers refers to:
- CO2 layer: Refers to the concentration of carbon dioxide in the atmosphere.
- SO2 layer: Refers to sulfur dioxide, which is not a specific atmospheric layer.
- O2 layer: Refers to the concentration of oxygen, but again, not a specific layer.
- O3 layer: Refers to the ozone layer, which is a specific layer in the atmosphere.

3. **Understanding Supersonic Jets**: Supersonic jets operate at high altitudes, typically in the stratosphere, which is above the troposphere where most commercial flights operate.

4. **Impact on the Ozone Layer**: The stratosphere contains a significant amount of ozone (O3). Ozone is crucial for absorbing harmful ultraviolet (UV) radiation from the sun. Supersonic jets can release pollutants that contribute to the thinning of the ozone layer.

5. **Conclusion**: Based on the information, the correct answer to the question is that supersonic jets cause pollution by thinning the O3 layer (ozone layer).

### Final Answer:
The supersonic jets cause pollution by thinning of the O3 layer (ozone layer).

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