World Geography
Which among the following impact craters of the Earth is/are correctly matched?Lonar crater – Tajikistan Kaali crater – IndiaKarakul crater – EstoniaSelect the correct code from the options given below:

None of these
Only 2 & 3
Only 2
Only 3

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

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

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