alleryFossil fuels are called non-renewable mainly because they
Aare very costly to buy
Bare found only underwater
Ccannot be burned twice
Dtake millions of years to form
Answer & Solution
Correct answer: D. take millions of years to form
1. Fossil fuels form from buried organisms through slow geological processes.
2. This takes millions of years, far slower than their use.
3. Cost, burning or location do not decide renewability.
_Source: Wikipedia, Fossil fuel, Origin_
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