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What are the two most abundant gases in earths atmosphere presently?
The two most abundant gases in Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%).
What two gases make up approximately 99 of earths atmosphere?
Nitrogen and Oxygen.
What is earths atmosphere two gases?
Nitrogen and oxygen make up the majority of the atmosphere, but there are other gases as well, such as carbon dioxide, ozone, and helium.
Earths atmosphere is dominated by which two gases?
Nitrogen and Oxygen are the two main constituents of air.
The earths atmosphere is dominated by which two gases?
Nitrogen (N2) - 78% Oxygen (O2) - 21%
What two gases is the earths atmosphere dominated by?
Nitrogen and oxygen, respectively, are the two most abundant gases in the earth's atmosphere.
What are the two gases that existed in earths earlier atmosphere?
The original atmosphere of earth contained primarily ammonia and methane, very similar to the atmosphere on Venus and Jupiter today.
Is the atmosphere of earth made of oxygen and carbon dioxide?
The atmosphere includes gases like oxygen and carbon dioxide. It would not be accurate to say that it is "made of" only these two gases. In fact, these two gases only make up 21% of the atmosphere. The atmosphere is also made up of many other gases like nitrogen (78%) and rare gases like helium and argon.
What are the two most abundant gases which make up the earths atmosphere?
Nitrogen N2 78.08% Oxygen O2 20.95%
What two gases probably dominated Precambrian Earths atmosphere?
The two gases that probably dominated Earth's atmosphere during the Precambrian era were carbon dioxide (CO2) and nitrogen (N2). These gases were likely present in much higher concentrations than oxygen.
Two most abundant gases in earths atmosphere presently?
78% nitrogen and 21% oxygen and other gasses make up the last 1% Earth science
What four gases is the atmosphere made of?
i know two water vapor and other liquids
