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प्रश्न
Explain why fossil fuels are exhaustible natural resources.
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उत्तर
Thousands of years ago, fossil fuels were formed when vegetation was buried in the ground due to storms, floods, and earthquakes. It requires very high pressure and temperature to form. Such high pressure and temperature cannot be achieved in the laboratory. These resources are available in limited quantities. That is why fossil fuels are exhaustible natural resources.
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संबंधित प्रश्न
Describe how coal is formed from dead vegetation. What is this process called?
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Coal is formed from the remains of
Coal tar is a black, thick ______ with an ______ smell.
The slow process of conversion of dead vegetation into coal is called ______.
Coal reserves are said to be enough to last for another hundred years. Do you think we need to worry in such case? Why or why not?
When lignite becomes darker and harder over time ______ coal is formed.
______ is used to make face packs and cosmetics.
What is deep mining?
What are the uses of coal?
