Multiple choice general knowledge

To reduce the air pollution scientists are concentrating on which of the following fuels?

  1. Hydrogen

  2. Coal

  3. Petroleum

  4. Nuclear Energy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nuclear energy is considered a clean energy source as it produces electricity without direct air pollution or greenhouse gas emissions during operation. While hydrogen is also clean, the question specifically mentions reducing air pollution, and nuclear energy is already established as a large-scale alternative to fossil fuels.

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