A. Canals connected coal mines to factories.
D. Canals cut the cost of distributing bulky coal substantially.
How did canal construction and coal mining complement each other? (2 points)
A. • Canals connected coal mines to factories.
B. • Coal powered the boats that pulled barges on canals.
C. O The knowledge gained from digging coal mines helped in digging canals.
D. • Canals cut the cost of distributing bulky coal substantially.
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