Railway will be efficient, large quantities of raw materials can be delivered, if raw material to be send to neighbouring countries then by border can be a good way of transporting the raw material. low transportation cost.
A Conductor
Paper wastes. :P
transport material out of the cell
Paper wastes. :P
paper factories
Anything that isn't a "forbidden material" for road transport is suitable for road transport.
To sustain life transport of material is necessary for plants and animals.
This movement occurs through several mechanisms.
exocytosis
Transport Maximum
"Passive" mean that it does not require energy, therefore the passive transport of material across the membrane means that it can transport the material (cells or whatever) without the function of energy across the membrane.
No