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
the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun
infrared rays from the sun
ultraviolet rays from the sun

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World Geography
What is the opportunities provided by a country’s demographics in which the working population is much more than the dependent population called?

Demographic Dividend
Demographic Gap
Age structure composition
Real population Density

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

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

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