which would be the best way to move a large bulk of coal across the country? a railroads b container ships c…

Brief Explanations:

Railroads can carry large - volume cargo over long distances efficiently and cost - effectively. Container ships are for transporting goods over water, not ideal for cross - country over land. Cargo planes are expensive for large - bulk, heavy items like coal. Tractor trailer trucks have lower capacity compared to railroads for large - scale, long - distance transport of coal.

Answer:

A. railroads