Describe how coal was formed. What is this process called?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Origin of Coal:**
- Coal is formed from the remains of ancient vegetation, primarily dense forests that existed millions of years ago.

2. **Natural Processes:**
- Around 300 million years ago, these dense forests were subjected to natural processes such as cyclones and floods, which caused them to be buried under layers of soil.

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