Answer:
Water
Step-by-step explanation:
Based on these differences it is said that the preferred form of transportation over long distances is Water. Since over 70% of the Earth is covered in water and there are very few barriers to overcome in order to transport through water then it gives many advantages for long-distance transportation of goods. Such advantages includes cheap, fewer maintenance costs, ease of transport, available during natural calamities, important for foreign trade, useful for large and bulky goods, etc.