Write down two causes of extreme use of petrol although it is non renewable source of energy.
Charcoal is not fossil fuel. Why?
Define fuel energy with examples. Write application of fuel energy.
Why are coal and mineral fuel called non renewable source of energy?
"Coal is called fossil fuel" Justify it.
What are mineral fuels ? Write some advantages of using coal and mineral fuel.
What is coal ? Write the uses of coal.
What is fossil fuel ? or Explain the term fossil fuel.
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