# Which of the Following Options of ‘Permanent Gases of the Atmosphere’ is the Correct Sequence According to their Percentage by Volume in Atmosphere (Highest to Lowest)?

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Updated on: November 9th, 2023

1. N2, CO2, O2, He, Ar

2. Ar, N2, CO2, O2, He

3. N2, CO2, O2, Ar, He

4. N2, O2, Ar, CO2, He

The correct sequence of ‘Permanent gases of the atmosphere according to their percentage by volume in the atmosphere is N2, O2, Ar, CO2, He. Earth’s atmosphere is composed of different gases such as nitrogen, oxygen, carbon dioxide, methane, argon, water vapor, and neon are some of the other gases.

## Permanent Gases in the Atmosphere

Numerous gases, including some greenhouse gases and pollutants, are present in the atmosphere. Nitrogen is the most prevalent gas in the atmosphere, followed by oxygen and argon. Nitrogen is essential for the survival of plants, and when we breathe it in, we absorb some of it. Green plants produce oxygen during photosynthesis.

• An atmosphere is made up of one or more layers of gas that surround it and are kept in place by the planet’s gravitational pull.
• When the atmosphere’s temperature is low, and its gravity is strong, a planet can maintain its atmosphere.
• The outer region of a star, including the layers above the opaque photosphere, is known as the stellar atmosphere; low-temperature stars may have outer atmospheres with compound molecules.

## List of Permanent Gases of Atmosphere

The details of various gases in the air can be seen in the table given below.

 Constituent Formula Percentage Nitrogen N2 78.08 Oxygen O2 20.95 Argon Ar 0.93 Carbon dioxide CO2 0.036 Neon Ne 0.002 Helium He 0.0005 Krypto Kr 0.001 Xenon Xe 0.00009 Hydrogen H2 0.00005

Summary:

## Which of the Following Options of ‘Permanent Gases of the Atmosphere’ is the Correct Sequence According to their Percentage by Volume in Atmosphere (Highest to Lowest)?

N2, O2, Ar, CO2, He is the correct order for the “Permanent Gases of the Atmosphere” according to their percentage by volume in the atmosphere. Nitrogen, oxygen, argon, carbon dioxide, methane, water vapor, neon, and other gases are among those that make up the atmosphere of the Earth. The earth’s atmosphere is made up of one or more layers of gas that surround it and are kept in place by the existing gravitational pull on the planet.

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