World Geography
On which planet, due to its clockwise (east to west) rotation on the axis, the Sun rises in the west and sets in the east ?

Mars
Mercury
Venus
Earth

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

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World Geography
Which among the following statements is/are correct about the symbiotic life of Corals?Algae gives carbon dioxide and other substances the  coral polyp needs.Coral polyp gives off oxygen and other nutrients that the algae needs.Select the correct code from the options given below:

Only 2
Neither 1 & 2
Only 1
Both 1 & 2

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