World Geography
The uppermost epoch of the Neogene period is

the Miocene epoch
the Oligocene epoch
the Pleistocen epoch
the Pliocene epoch

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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
Only 2 & 3
1, 2 & 3

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World Geography
The initial increase of magnetic field in magnetic storms is caused

when the gust wind itself engulfs the magnetosphere
None of these
when the shock wave, associated with the gusty solar wind, compresses the magnetosphere
when there is a large decrease in field intensity

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