jennsou
jennsou
13.11.2020 • 
English

9. What was anthracite's biggest impact on the coal industry? A. The use of anthracite for heat melted the iron ore.
B.The use of anthracite for heat caused the coal industry to boom.
C. The use of anthracite for heat lowered the cost of iron production.
D. The use of anthracite for heat caused the coal industry to crash when the
subterranean fire began.

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