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Question

What is MOST often the lowest cost transportation mode?
A) railroads
B) waterways
C) trucks
D) airways
E) pipelines

Answer

15 Seconds
B) Shipping by waterway, rivers, lakes, and other bodies of water is the least expensive transportation mode. Airways are the most expensive, trucks are somewhat less expensive than airways, though both use fossil fuels, and railroads are less expensive than either of those methods, yet still more expensive than waterways.
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