Given examples of four spontaneous process you observe in nature

Explanation

To answer the question regarding examples of four spontaneous processes observed in nature, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Spontaneous Processes**:
- A spontaneous process is one that occurs naturally without the need for external energy. These processes tend to move towards a state of lower energy and greater disorder (entropy).

2. **Identifying Examples**:
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