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प्रश्न
Coal is formed from the remains of
विकल्प
vegetation only
animals only
both vegetation and animals
neither vegetation nor animals
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उत्तर
vegetation only
Explanation:
Coal is formed by the decomposition of large land plants and trees buried under the earth about 300 million years ago.
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संबंधित प्रश्न
Describe how coal is formed from dead vegetation. What is this process called?
Explain why fossil fuels are exhaustible natural resources.
Describe characteristics of coke.
Explain the following.
Petrol, diesel, and coal are fossil fuels.
Anthracite is known as the highest-grade coal. Give reason.
Which substance is formed by the carbonisation of dead vegetation?
Write the characteristics and some important uses of coal.
Which one among the following is an extremely strong but lightweight material is used in mountain bikes and tennis rackets?
______ is used to make face packs and cosmetics.
Explain the destructive distillation of Coal.
