HomeChemistryThe residence time of methane in the atmosphere is 94. The residence time of methane in the atmosphere isBy Admin / September 17, 2025 A. 3 – 7 days B. 2 -3 days C. 3 – 7 years D. 2 – 3 years ✅ The correct answer is option C.
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2. The mass of one mole of an electron is Leave a Comment / Chemistry, Chemistry Diagnostic Test MCQs / By Admin