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

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
flood controls and making rivers navigable

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World Geography
What is the weight of actual amount of water vapour present in unit volume of air called?

Absolute Humidity
Condensation
Specific Humidity
Relative Humidity

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World Geography
The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to

None of these
infrared rays from the sun
ultraviolet rays from the sun
the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun

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