Define 'deforestation'. Comment on its effects.

Explanation

### Step-by-Step Solution:

**Step 1: Define Deforestation**
Deforestation is the permanent removal, decrease, or deterioration of forests or woodlands. It involves the clearing of trees and vegetation, often to make way for agricultural activities, urban development, or logging.

**Step 2: Identify Causes of Deforestation**
Deforestation can be caused by various factors, including:
- Increased demand for timber and wood products.
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