Physics
Grade-10
Easy
Question
Our biggest environmental concern, global warming, is caused by the emission of this gas when any fossil fuel is burned
- Hydrogen
- Oxygen
- Carbon dioxide
- Sulfuric acid
Hint:
Global warming is the long-term heating of Earth's surface observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.
The correct answer is: Carbon dioxide
When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming.
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