Multiple choice

How is natural gas (NG) different from coal(C)?

  1. NG is a renewable resource; coal is a fossil fuel

  2. C is a form of petroleum; NG is emitted from volcanoes

  3. NG is a fossil fuel; C is a renewable resource

  4. NG is a form of petroleum; C is extracted from coal deposits
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Both natural gas and coal are fossil fuels, but they differ in their physical state and origin. Natural gas is a gaseous hydrocarbon often grouped under petroleum resources, whereas coal is a solid carbon-rich rock extracted from underground coal deposits. The other options incorrectly classify either natural gas or coal as renewable resources.

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