World Geography
The thickness of biosphere is

8-10 km above the earth's surface
5-8 km above the earth's surface
10-12 km above the earth's surface
5-10 km above the earth's surface

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World Geography
What is the opportunities provided by a country’s demographics in which the working population is much more than the dependent population called?

Demographic Gap
Age structure composition
Real population Density
Demographic Dividend

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