Importance of Drainage Systems

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

1. It provides water for agriculture and drinking purposes.
2. It helps in trade and navigation.
3. It helps dispose all local and industrial waste.
4. It helps in hydroelectric power generation.

Q. What would the absence of water do the life on your planet?

1. Life would continue as it is.
2. Earth would become a barren land.
3. All life forms go extinct.
4. Some human processes cannot function.

Q. explain any 5 purposes fulfilled by multipurpose projects