Asan Mcqs - Solved Original Papers, General Knowledge, Pakistan Current Affairs MCQs for JOBS 28Oct18Batch1 Excise and taxation Inspector PPSC Which of these is the most predominant in the composition of atmosphere?

Which of these is the most predominant in the composition of atmosphere?

A. Oxygen
B. Nitrogen
C. Water vapour
D. Carbon dioxide

Submitted by: Kamran Ahmed

28Oct18Batch1 Excise and taxation Inspector PPSC

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