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VladimirAG [237]
3 years ago
7

I don’t know if it’s that one or not

Chemistry
1 answer:
Sphinxa [80]3 years ago
3 0

Answer:

I think is the last one.

Anthracite – Stage Four

Anthracite, the fourth stage in coal formation, is also known as “hard coal” because it is hard and has a high lustre. It appears to have been formed as a result of combined pressure and high temperature. Anthracite burns with a short flame and little smoke.

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