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Michaelting Posted 15 years ago
Grammar

Gas/gases

Non-renewable resources include natural gas, petroleum and coal.

Why is it 'natural gas' ? Is it just a single type of gas?
  

Top answer

Yes, I think that must be the reason.

  • Yes, I think that must be the reason.
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2 Answers
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Yes, I think that must be the reason.
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Yes, it's a gas consisting primarily of methane.

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