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Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
Main pollutants released from iron and steel industry are
Crude oil is transported inland from oil field to refineries, mainly by the
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Which one of the following sequences of the oil refineries of India as they occur from south to north is correct?
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The coking process normally mostly used in Indian oil refineries is the __________ coking process.
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