Green muffler is related to pollution of

Options

A. Air
B. Soil
C. Noise
D. Water

Explanation

### Step-by-Step Solution:

1. **Understanding the Term "Green Muffler":**
- The term "green muffler" refers to a soundproofing device that utilizes plants to reduce noise pollution.

2. **Identifying the Function of Green Muffler:**
- Green mufflers are designed to absorb or block sound, thereby acting as a barrier to noise. This is achieved through the strategic planting of certain trees and shrubs.

3. **Recognizing the Types of Plants Used:**
- Common plants associated with green mufflers include Neem and Ashoka trees. These plants are known for their ability to absorb sound and provide a natural barrier against noise.

4. **Determining the Type of Pollution Addressed:**
- Since the primary function of a green muffler is to reduce sound, it specifically targets noise pollution.

5. **Conclusion:**
- Therefore, the green muffler is related to noise pollution.

### Final Answer:
- The green muffler is related to **noise pollution**.

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