Question

What are the uses of the country's internal and external drainage systems?

• A. It provides water for agriculture and drinking purposes.
• B. It helps in trade and navigation.
• C. It helps dispose all local and industrial waste.
• D. It helps in hydroelectric power generation.

Answer 1

Answer: (A), (B), (D)

It helps in hydroelectric power generation.

The drainage system is one of the fundamental water resources on earth. Also known as the river system, drainage systems have been the cradle of many great human civilisations throughout history. It provides water for agriculture and drinking purposes. It helps in trade and navigation. It also helps in hydroelectric power generation through dams.