Bituminous Coal, also reffered to as "soft coal". Over the last century, this was the chosen fossil fuel for burning due to its lower cost and it was more readily available. Not as clean burning, it allows more comtaminants in the air and is not as environmentalyfriendlyas Anthracite coal.
Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It has a carbon content around 25–35%, and is considered the lowest rank of coal due to its relatively low heat content.
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4. It causes very less polution.
a.) anthracite coal
b.) bituminous coal
c.) subbituminous coal
d.) lignite
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Answer:
D.) lignite
Explanation:
Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It has a carbon content around 25–35%, and is considered the lowest rank of coal due to its relatively low heat content.
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