Multiple choice general knowledge science & technology

Burning fossil fuels releases:

  1. carbondioxide

  2. nitrogen

  3. methane

  4. oxygen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Burning fossil fuels (coal, oil, natural gas) primarily releases carbon dioxide, the main greenhouse gas driving climate change. The combustion process combines carbon from the fuel with oxygen from air to form CO2. Nitrogen and oxygen are atmospheric gases, not combustion products.

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