Question

Airways and Waterways.

Answer 1

Airways: Airways is the quickest, Costliest, most modern and comfortable means of transport. They carry passengers, freight, and mail. They link local regional, national and international.
Waterways: Waterways are the cheapest means of transport. They are most suitable for carrying heavy and bulky goods at low cost. It is a fuel efficient and environment-friendly mode of transport. Waterways are classified into Inland waterways and ocean routes.