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Questions and Answers
What is coal primarily used for?
What is coal primarily used for?
- As a fuel (correct)
- As a building material
- As a clothing dye
- As a food source
How is coal formed?
How is coal formed?
- By volcanic activity
- By the compression of sand and gravel over time
- By the decay of dead plant matter into peat, then converted into coal by heat and pressure over millions of years (correct)
- By the accumulation of marine organisms
Where did vast deposits of coal originate?
Where did vast deposits of coal originate?
- In former wetlands called coal forests that covered much of the Earth's tropical land areas during the late Carboniferous and Permian times (correct)
- In deep ocean trenches
- In polar regions
- In deserts
What percentage of the world's primary energy did coal supply in 2020?
What percentage of the world's primary energy did coal supply in 2020?
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What does coal primarily consist of?
What does coal primarily consist of?
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कोयल का प्रमुख उपयोग क्या है?
कोयल का प्रमुख उपयोग क्या है?
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कोयल की उत्पत्ति कैसे होती है?
कोयल की उत्पत्ति कैसे होती है?
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कोयल का प्रमुख घटक क्या है?
कोयल का प्रमुख घटक क्या है?
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