World Geography
The oldest rock system of the world is:

The Archaean Rock system
The Zircons Rock system
None of these
The Primitive Rock system

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World Geography
Which among the following important factors affect the atmospheric temperature?Cloud coverDistribution of land and SeaElevationAspectSelect the correct code from the options given below:

Only 1, 2 & 3
1, 2, 3 & 4
Only 1
Only 1 & 3

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