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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?
Fossil fuels can be made in the laboratory.
Explain why fossil fuels are exhaustible natural resources.
When heated in air, coal burns and produces mainly ______ gas.
The black thick liquid with ______ smell is known as coal tar.
Which one among the following is an extremely strong but lightweight material is used in mountain bikes and tennis rackets?
______ coal is black and dull coal.
Coal helps to create alumina refineries.
What is deep mining?
What are the uses of coal?
