It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.

Explanation

To explain why it is difficult to burn a heap of green leaves but dry leaves catch fire easily, we can break down the explanation into a few key points:

### Step-by-Step Solution:

1. **Understanding Moisture Content**:
- Green leaves contain a significant amount of moisture (water). This moisture is a natural part of the leaf's structure and is necessary for the plant's life processes.

2. **Impact of Moisture on Combustion**:
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