Answer:
THE UNITED STATES IS A PLACE TO BE SAFE,SMELL THE AIR,AND GREAT ANIMALS TO SAVE
Coal workers' pneumoconiosis (CWP), commonly known as "black lung disease," occurs when coal dust is inhaled. Over time, continued exposure to the coal dust causes scarring in the lungs, impairing your ability to breathe.
The answer is: A. Lake Erie with the Hudson River
https://www.ecologyandsociety.org/vol15/iss3/art33
This should help you understand the question.
