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

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World Geography
Which among the following pairs of volcanoes is/are correctly matched?Mount St. Helens – United StatesMount Vesuvius – ItalyMount Krakatoa – IndonesiaSelect the correct code from the options given below:

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

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World Geography
In which rocks does most of the formation of caves take place?

Quartzite
Limestone
Sandstone
Granite

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