Question

5. Coal, a common fossil fuel, is formed-​

Answer 1

Answer:

Coal is a solid fossil fuel formed over millions of years by decay of land vegetation. When layers are compacted and heated over time, deposits are turned into coal. Coal is quite abundant compared to the other two fossil fuels.

Explanation:

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Answer 2

Answer:

they are formed by decayed plants and animals that are converted to crude oil, coal,natural gas and heavy oils by exposure to heat and pressure in the earth crust over hundred million of years...

Explanation:

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