World Geography
The various types of plate convergence is I. oceanic-oceanic convergenceII. oceanic-continental convergenceIII. continental-continental convergence

All of these
I, III
I, II
II, III

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

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

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