World Geography
The ozone layer at high altitude contains

mixture of atomic oxygen (O), ordinary oxygen (O2) and Ozone (O3)
only ozone (O3)
only ordinary oxygen (O2)
atomic oxygen (O) and ordinary oxygen (O2)

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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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World Geography
Which among the following statements is correct about Mesa?

It is an elevated area of land with a flat top and sides that are usually steep cliffs
It is a secluded hollow
It is a small hill
It is a narrow pass or gorge between mountains or hills

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