What is the most abundant gases in the atmosphere?Group of answer choicesNitrogenCarbon dioxideHydrogenOxygen

What is the second most common gas in the atmosphere?Group of answer choicesoxygenhydrogennitrogenwater vaporcarbon dioxide

What greenhouse gas is the most abundant in the atmosphere?Multiple choice question.sulfur dioxidecarbon dioxidemethaneoxygen

Which of the following gases is the most abundant in the air we breathe?Group of answer choicesWater VaporArgonNitrogenOxygen

Out of the following gases which one makes about 1/5th of the atmosphere?Group of answer choicesoxygencarbon dioxidesulfer dioxideheliumnitrogen

The most abundant gas in Earth's atmosphere is __________ and the second most abundant is _________. aoxygen; nitrogen boxygen; argon cnitrogen; oxygen dnitrogen; argon