Answer:
The coal, iron and steel industries mutually stimulated each other during the revolution. There was an obvious need for coal to power steam engines, but these engines also allowed for deeper mines and greater coal production, making the fuel cheaper and steam cheaper, thus producing more demand for coal. The engines powered by steam increased the ease of operating boats, ships, railways, factories, mills, mines and farms. And these steam engines were fueled by coal.
Step-by-step explanation: