World Geography
The main objective of multi-purpose river projects are

power generation by constructing hydro power stations
All of these
extension of irrigation facilities by constructing dams to store surplus water during the rainy seas
flood controls and making rivers navigable

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World Geography
Which among the following pairs is/are correctly matched?Horst – Depressed block of planetary crust bordered by parallel faultsOceanic trench  – Depressed block of planetary crust bordered by parallel faultsSelect the correct code from the options given below:

Only 1
Neither 1 & 2
Only 2
Both 1 & 2

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