Medium PPSC Assistant Past Papers PDF PPSC ASSISTANT PAST PAPERS PDF FPSC Question The most abundant gase in the earth’s atmosphere by volume is _____? A Nitrogen B Oxygen C Argon D None of these Submit Answer Try Again Explanation Explanation The most abundant gas in the atmosphere is nitrogen , with oxygen second . Argon , an inert gas, is the third most abundant gas in the atmosphere. Show Explanation Previous MCQ All MCQs Next MCQ More MCQs in PPSC Assistant Past Papers PDF Medium A set of possible data values is called _____? A set of possible data values is called _____? Medium Water percentage in plasma is _____? Water percentage in plasma is _____? Medium Coolness : Night :: Coolness : Night :: Medium The Synonym of Impart is? The Synonym of Impart is?