The correct answer is Option (3) → (B), (C), (D) only
- Rivers, canals, lakes and coastal areas have been important waterways since time immemorial.
- Boats and steamers are used as means of transport for cargo and passengers.
- The development of inland waterways is dependent on the navigability width and depth of the channel (C), continuity in the water flow (B), and transport technology in use (D).
- Rivers are the only means of transport in dense forests.
- Very heavy cargo like coal, cement, timber and metallic ores can be transported through inland waterways.
- In ancient times, riverways were the main highways of transportation as in the case of India.
- But they lost importance because of competition from railways, lack of water due to diversion for irrigation, and their poor maintenance.
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