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.
1. # of nonwhites
2. Median income of families
3. % of adults that finished highschool
I think the correct answer you are looking for would be D. Farming
Answer:
x. Natural disasters (gradpoint)
Explanation:
