How did the use of coke-fired iron smelting play a role in the industrial revolution? a. because coke was dependent on the harvesting of firewood, its demand greatly boosted the foresting industry. b. it illustrated the harmful effects of second-hand smoke and ignited the modern medical industry. c. being able to produce iron using a more abundant product increased industrial capability. d. it greatly increased the demand for charcoal in industry, resulting in a monopoly on the production of charcoal.