What type of rock is coal?
a. Sedimentary rock
b. Igneous rock
C. Metamorphic rock
d. All of the above
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Answer:
sedimentary rocks
Explanation:
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Answer:
Because coal undergoes physical and chemical changes as a result of increased heat, there is sometimes a misconception that coal is a metamorphic rock. Coal is a sedimentary rock. Coal is altered through biological and burial thermal processes into different ranks.
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