Question

Q 1) what type of rock is coal

Ans 1) Coal is a black sedimentary rock that can be burned for fuel and used to generate electricity. Coal is the leading source of energy in the United States. Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity.

Q 2) ?what are the four types of coal?

Ans 2) Coal is classified into four main types, or ranks: anthracite, bituminous, subbituminous, and lignite. The ranking depends on the types and amounts of carbon the coal contains and on the amount of heat energy the coal can produce.

sorry army I was not able to answer your questions​

Answer 1

Answer:

refer to the attachment...

Explanation:

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Answer 2

Explanation:

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