Third pollution is

Options

A. Pollution caused by the addition of an undesirable substance in air, water, soil, or land
B. Deterioration in the quality of air, water, soil, etc., due to removal or reduction in the quality of an important or vital ingredient
C. Ground water pollution due to seepage of minerals, toxic chemicals, and sewage
D. Landscape pollution caused by throwing of rubbish, wastes, and garbage over land

Answer

### Step-by-Step Text Solution

1. **Understanding Pollution Types**: Pollution can be categorized into various types based on the environment it affects. The three primary types of pollution are air pollution, water pollution, and soil or landscape pollution.

2. **Definition of Third Pollution**: The question specifically asks about the "third pollution." In the context of the provided information, the first pollution is air pollution, the second is water pollution, and the third is soil or landscape pollution.

3. **Causes of Soil/Landscape Pollution**: Soil or landscape pollution can occur due to several activities, including:
- **Industrial Waste**: Waste generated from various industries can contaminate the soil.
- **Urban Waste**: Waste produced in urban areas, such as garbage and refuse, contributes to landscape pollution.
- **Agricultural Practices**: The use of pesticides, fertilizers, and other chemicals in agriculture can lead to soil pollution.
- **Biological Agents**: Certain biological agents can also contribute to soil pollution.

4. **Conclusion**: Based on the definitions and causes discussed, the "third pollution" refers to landscape pollution, which is caused by the improper disposal of rubbish, waste, and garbage over land.

### Final Answer
The third pollution is **landscape pollution**, which is caused by the throwing of rubbish, waste, and garbage over the land.

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