How have human activities caused desertification ? Explain.

Explanation

**Step-by-Step Solution:**

1. **Definition of Desertification**:
- Desertification refers to the process by which fertile land becomes increasingly arid and unproductive, transforming it into desert-like conditions.

2. **Impact of Agricultural Activities**:
- Human activities, particularly agricultural expansion, have led to the conversion of vast areas of forest land into agricultural land. This deforestation reduces the number of trees that help anchor the soil, leading to soil erosion.

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