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Nitrogen is the most abundant gas in Earth's atmosphere, comprising about 78%. Oxygen is the second most abundant, making up around 21%. Other gases like argon, carbon dioxide, and trace gases make up the remaining 1%.

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1y ago

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Which gas forms 21 percent of the Earth's atmosphere?

Oxygen forms 21 percent of the Earth's atmosphere.


Gas that makes up 20 percent of total air volume in earths atmosphere?

Oxygen is the gas that accounts for about 20 percent of Earth's atmosphere.


What is 78 percent of earths atmosphere composed of?

Nitrogen makes up about 78 percent of Earth's atmosphere.


Approximately 20 percent of the earths atmosphere is made up of which gas?

Approximately 20 percent of the Earth's atmosphere is made up of oxygen.


What is the gas found in 75 percent of the atmosphere?

Nitrogen, it actually makes up just over 78% of the Earths atmosphere by volume.


What gas makes up 93 percent of the earths atmosphere?

The gas that makes up 93% of Earth's atmosphere is nitrogen. Oxygen is the second most abundant gas, making up around 21%.


What gas is nearly 21 percent of earths atmosphere?

oxygen . hey people googling there science hw. join the club :)


What is earths atmosphere is an example of what solution?

gas-gas


What is the most abundant gas in the atmosphere is how much volume?

Nitrogen - forms about 79-80 percent of Earth's atmosphere.


Which gas forms less than one percent of the atmosphere but is essential to life?

carbon dioxide


WHAT ELEMENT MAKES UP NEARLY ONE PERCENT OF THE EARTHS ATMOSPHERE?

Argon makes up nearly 1% of Earth's atmosphere. It is a noble gas that is colorless, odorless, and inert.


How does the composition of Earths atmosphere different from the composition of the atmosphere of the gas giants planets?

The Gas Giants have a deep gas atmosphere and earth have a not so deep atmosphere