What is the second most abundant gas in the atmosphere?

oxygen Click to see full answer. Subsequently, one may also ask, what is the most abundant gas in the atmosphere?The atmosphere contains many gases, most in small amounts, including some pollutants and greenhouse gases. 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.One may also ask, what are the two most abundant gases in the troposphere? Nitrogen (N2) is the most abundant gas in Earth’s atmosphere, including the troposphere. This cartoon also depicts several other tropospheric gases, including oxygen (O2), carbon dioxide (CO2), water vapor (H2O), methane (CH4), sulfur dioxide (SO2), and carbon monoxide (CO). In this regard, what are the 3 most abundant gases in the atmosphere? The most abundant gas in the atmosphere is nitrogen. The Earth’s atmosphere is composed of approximately 78 percent nitrogen, 21 percent oxygen, 1 percent argon and trace amounts of other gases that include carbon dioxide and neon.What is the most abundant gas in the atmosphere quizlet?Nitrogen and oxygen are the two most abundant gases.

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