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- Coal is a type of solid fossil fuel which is combustible in nature.
- It is black coloured sedimentary rock found in nature.
- It has a very large amount of carbon and hydrocarbons.
- It is formed by decaying dead plant matter under high heat and pressure for millions of years.
- Mining and processing of coal causes environmental pollution.
- It is used for electricity generation, cement production etc.
- Using excess coal in the name of developmental processes is deteriorating our environment.
- It takes over a million years to form coal.
- It is classified under a non-renewable type of fuel.
- It emits a lot of greenhouse gases so we should replace it with some other energy resource like CNG etc.
