Question

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Define distribution of coal ​

Answer 1

Answer:

it is of 4 types

Explanation:

1.Peat-It is closest and youngest,carbon content is 50-60%Very cheap.

2.Lignite-Its carbon content is 60-70%

3.Bituminous-Its carbon content is 75-85%Commonly used in industries

4.Anthracite-It is oldest and best,Its carbon content is 90-95%Non-polluting and has very high calorific value-52-55 J (Joules)