What is meant by soil pollution ? Name any four things which can cause soil pollution. How can soil pollution be prevented ?

Explanation

### Step-by-Step Solution:

1. **Definition of Soil Pollution**:
Soil pollution refers to the contamination of soil with harmful or toxic substances. These substances can be chemicals, heavy metals, or radioactive materials that adversely affect the quality of the soil and can harm living organisms.

2. **Causes of Soil Pollution**:
There are several factors that can lead to soil pollution. Here are four common causes:
- **Chemical Fertilizers**: The excessive use of chemical fertilizers in agriculture can lead to soil contamination.
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