C. wind
Explanation:
Wind is source of energy that does not produce any harmful emissions when used as an energy source.
Wind power is a renewable green source of energy produced by motions of the air around.
- Wind power is channeled into driving wind turbines to produce electricity.
- Combustion of natural gas releases carbon dioxide into the atmosphere.
- Coal and oil are fossil fuels that release toxic materials into the atmosphere too.
Learn more:
Greenhouse emission brainly.com/question/4580761
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Answer:
The universe is all the planets and stars that orbit the sun