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colleen colleen
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Posts: 17077
11 years ago
Slightly more than 4,000 million tons of coal were burned globally in 2003. How much CO2 was produced, assuming 60% C content?
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Sunshine ☀ ☼

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11 years ago
2.2 ton CO2 per ton coal burned. Multiply by 4,000 million = 8.8 billion tons CO2.
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