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

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

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World Geography
The temperature inversion is

whenever the normal decrease of atmospheric temperature or moisture or both change with height over
All of these
when the decrease in temperature or moisture or both takes place
whenever the normal decrease of atmospheric temperature

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World Geography
Which among the following statements is/are correct about Population of the world?In the twentieth century itself the population has increased four times.Human population increased more than ten times in the past 500 hundred years.World population exploded in the eighteenth century after the Industrial Revolution.Select the correct code from the options given below:

Only 3
Only 1
1, 2 & 3
Only 2 & 3

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