Explore Westonci.ca, the top Q&A platform where your questions are answered by professionals and enthusiasts alike. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

4) which invention resulted in an increase in the demand for coal? a) iron plow b) cotton gin c) steam engine d) internal combustion engine.

Sagot :

Answer:

c)steam engine

Explanation:

steam engine trains used a huge amount of coal because they used coal to generate movement,and increase of speed ,the trips the steam engine trains used to travel back and forth using coal increased the demand of coal