World Geography
The study of human geography includes study of

human society and culture
economics and politics
behaviour and urban systems
All of these

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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

infrared rays from the sun
None of these
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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