World Geography
The ozone layer at high altitude contains

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

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World Geography
The three recognized major fishing grounds of the world are located in the

one in the southern hemisphere only and two in the northern hemisphere
southern hemisphere only
northern hemisphere only
two in the southern hemisphere only and one in the northern hemisphere

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World Geography
The land-sea distribution or the positions of the world's continents and major oceans influences

None of these
the development of the mid-latitude cyclonic depressions, at the convergence zone between polar and
both (a) and (b)
the major pressure belts that develop from the general circulation of the atmosphere

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