Chemistry, 04.05.2021 18:30 JaylenGuidish
Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?
No, coal is not a mineral because coal can be burned to produce electricity and heat.
Yes, coal is a mineral because all rocks are nonliving solid minerals.
Yes, coal is a mineral because all rocks that are useful to people are minerals.
No, coal is not a mineral because coal is made of dead plants.
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