Answer:
this will cause it's price to fall as well
Explanation:
According to my research on Economics, I can say that based on the information provided within the question if the demand of charcoal were to fall in a certain country then this will cause it's price to fall as well. In the context of Economics, this is called Supply and Demand. These two aspects are two correlating factors. Higher demand tends to lead to higher prices, while lower demand can lead to lower prices.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.