How Do Combined-Cycle Natural Gas Systems Compare to Coal-Burning Plants

question 53

Multiple Choice

How do combined-cycle natural gas systems compare to coal-burning plants?

• A)Combined-cycle natural gas systems are more expensive than coal-burning plants.
• B)Combined-cycle natural gas systems contribute more to global warming than coal-burning plants.
• C)Combined-cycle natural gas systems contribute more to air pollution than coal-burning plants.
• D)Combined-cycle natural gas systems are more energy efficient than coal-burning plants.

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