The noise pollution is measured in:

Options

A. Tons
B. Kilograms
C. Fathoms
D. Decibels

Answer

To solve the question "The noise pollution is measured in:", we will analyze the provided options and determine the correct unit of measurement for noise pollution.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- A) Tons
- B) Kilograms
- C) Phythomes
- D) Decibels

2. **Understand the Nature of Noise Pollution**: Noise pollution refers to unwanted or harmful sound in the environment. It is important to know how we quantify or measure sound levels.

3. **Analyze Each Option**:
- **Option A: Tons** - This is a unit of mass and is not applicable to measuring sound.
- **Option B: Kilograms** - This is also a unit of mass and does not relate to sound measurement.
- **Option C: Phythomes** - This term does not correspond to any standard unit of measurement for sound or noise.
- **Option D: Decibels** - This is a unit specifically used to measure the intensity of sound. It is widely recognized in acoustics.

4. **Conclusion**: Since noise pollution is specifically measured in terms of sound intensity, the correct answer is:
- **D) Decibels**

5. **Additional Information**: The human threshold of hearing is around 0 decibels, and sounds above 85 decibels can lead to hearing damage with prolonged exposure.

### Final Answer:
The noise pollution is measured in **decibels (D)**.

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