Which form of coal contains the highest carbon content?

Options

A. Anthracite
B. Peat
C. Lignite
D. All have same carbon content

Explanation

To determine which form of coal contains the highest carbon content, we can follow these steps:

### Step 1: Understand the different forms of coal
Coal exists in various forms, each with different carbon content. The main types of coal are:
- Peat
- Lignite
- Bituminous coal
- Anthracite

### Step 2: Identify the carbon content of each type
- **Peat**: Contains about 28% carbon. It is the least carbon-rich form and is considered an early stage of coal formation.
- **Lignite**: Contains about 40% carbon. It is a low-grade coal that is brownish in color.
- **Bituminous coal**: Contains about 45-86% carbon. It is a higher grade of coal used for electricity generation and steel production.
- **Anthracite**: Contains about 90% carbon. It is the highest grade of coal and has the highest carbon content.

### Step 3: Compare the carbon content
From the information gathered:
- Peat: 28% carbon
- Lignite: 40% carbon
- Bituminous coal: 45-86% carbon
- Anthracite: 90% carbon

### Step 4: Conclusion
Based on the carbon content percentages, anthracite contains the highest carbon content among all forms of coal.

### Final Answer
The form of coal that contains the highest carbon content is **Anthracite**.

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