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

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

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World Geography
Which among the following statements is/are correct about impact crater?They are formed by the hypervelocity impact of a smaller bodyThe have similar composition like sinkholes, glacial cirques,etcSelect the correct code from the options given below:

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

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