What is the main ore of copper from which it is extracted?

Explanation

To answer the question "What is the main ore of copper from which it is extracted?", we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Main Ore of Copper**: The primary ore from which copper is extracted is called Chalcopyrite.

2. **Chemical Composition**: Chalcopyrite has the chemical formula CuFeS₂, which indicates that it contains copper (Cu), iron (Fe), and sulfur (S).

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