B. Mines filling with water
What challenge did early coal miners face?
*
1 point
A. Lack of coal
B. Mines filling with water
C. Lack of tools
D. Dangerous wildlife
1 answer
*
1 point
A. Lack of coal
B. Mines filling with water
C. Lack of tools
D. Dangerous wildlife
1 answer
B. Mines filling with water