What is the most efficient form of transportation for coal, grains, nonmetallic minerals, and lumber products?
A) air cargo
B) motor freight
C) railroads
D) water carriers

Question

Quizplus · Accepted Answer

Railroads are the most efficient form of transportation for bulky and heavy goods such as coal, grains, nonmetallic minerals, and lumber products due to their ability to haul large volumes over long distances at a lower cost compared to other modes of transport.

What Is the Most Efficient Form of Transportation for Coal