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1
The islands of Seychelles are located in the
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The island of Sri Lanka formerly known as
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The highest sand dunes are found is
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The greatest variety of animal and plant species is fund in
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The layer of the earth, immediately below the crust, is called
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The highest mountains in Africa, which is not part of any mountains chain, is
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The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the
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The length of the day is determined in