Advertisements
Advertisements
प्रश्न
Coal is formed from the remains of
पर्याय
vegetation only
animals only
both vegetation and animals
neither vegetation nor animals
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Explain why fossil fuels are exhaustible natural resources.
Describe characteristics of coke.
Coal tar is a mixture of various substances.
Explain the following.
Petrol, diesel, and coal are fossil fuels.
Which substance is formed by the carbonisation of dead vegetation?
Write True/False against the following statement.
Under high temperature and pressure, dead plants get slowly converted to coal.
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.
Coal helps to create alumina refineries.
What are the uses of coal?
