World Geography
The major pedogenic process acting on soils at the macro scale are

All of these
calcification and salinisation
salinisation and gleisation
laterisation and podsolisation

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World Geography
The original landmass, pangola split into

Laurissa in the east and Godwanaland in the west
Laurissa in the north and Godwanaland in the south
Laurissa in the west and Godwanaland in the east
Laurissa in the south and Godwanaland in the north

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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:

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

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World Geography
The sequence of layers of atmosphere from earth to upwards is

troposphere, tropopause, stratosphere, thermosphere, exosphere
troposphere, stratosphere, stratopause, mesosphere , ionosphere
troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere)
troposphere, tropopause, stratosphere, mesosphere , exosphere, thermosphere, thermopause

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