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Helium and Hydrogen

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What two gases make up most of the atmosphere What is the combined percentage of the two gases?

The two gases that make up most of the Earth's atmosphere are nitrogen (N₂) and oxygen (O₂). Nitrogen accounts for approximately 78% of the atmosphere, while oxygen makes up about 21%. Together, these two gases comprise roughly 99% of the Earth's atmosphere.


What is the percentage of inert gases in atmosphere?

there is 1.25 percent of inert gases in the atmosphere


The gases in your atmosphere aside from the oxygen and nitrogen make up about what percentage of air?

Oxygen and nitrogen are the two most abundant gases in the atmosphere. They make up 99% of the air.


Does carbon dioxide make up 78 percent of the gases in the atmosphere?

No, carbon dioxide makes up about 0.04% of the gases in Earth's atmosphere. The most abundant gas in the atmosphere is nitrogen, which makes up about 78%.


Which gases are most abudant to earth today?

The most abundant gases in Earth's atmosphere today are nitrogen (about 78%) and oxygen (about 21%). These two gases make up the majority of our atmosphere, with other gases like argon, carbon dioxide, and water vapor present in smaller amounts.


The most abundant gases are nitrogen and?

The most abundant gases are nitrogen and oxygen in the Earth atmosphere.


What are the names of the 2 most common gases in the earths atmosphere?

Nitrogen and Oxygen make up nearly 99% of the dry atmosphere.


What are the two most abundant gases which make up the earths atmosphere?

Nitrogen N2 78.08% Oxygen O2 20.95%


What two gases make up 99 percent of Jupiter's atmosphere?

Hydrogen and helium make up 99 percent of Jupiter's atmosphere. These two gases are the most abundant elements in the planet's composition.


What is the name of the 2 gases that make up the gas giants?

The two primary gases that make up the gas giants, such as Jupiter and Saturn, are hydrogen and helium. These gases dominate their atmospheres, with hydrogen being the most abundant, followed by helium. Together, they contribute to the massive size and low density of these planets.


What percent of greenhouse gases make up earth's atmosphere?

Greenhouse gases make up about 1% of Earth's atmosphere. The most abundant greenhouse gas is water vapor, followed by carbon dioxide, methane, and others. These gases trap heat in the atmosphere, leading to the greenhouse effect and contributing to climate change.


What 3 gases make up atmosphere?

The three most common gasses in our atmosphere are: nitrogen 78%, oxygen 21%, and argon <1%.