Chemistry, asked by pk8689967, 11 hours ago

3
.
Black lung disease is caused by inhalation of:
1) coal dust
2) silica dust
3) cotton fiber dust
4) asbestos dust

Answers

Answered by abdulhadisheikh877

1

Answer:

Black lung disease is caused by inhalation of coal dust

Answered by yrachna311

1

A). coal dust .

Because black lung disease occurs , when coal is inhaled.

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