wanyu/IteraTeR_full_sent huggingface dataset:
Original: Representation of indigenous population Humboldt's publications such as Personal Narrative of Travels to the Equinoctial Regions of the New Continent during the years 1799–1804 originate from a time in which colonialism was prevalent.
Revised: Representation of indigenous population Humboldt's publications such as Personal Narrative of Travels to the Equinoctial Regions of the New Continent during the years 1799–1804 originate from a time when colonialism was prevalent.
Edit intent: clarity
Original:  When Humboldt writes about the nature within South America, he portrays it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues that they are only represented when they are beneficial for Europeans.
Revised:  When Humboldt wrote about the natural world within South America, he portrays it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues that they are only represented when they are beneficial for Europeans.
Edit intent: clarity
Original:  When Humboldt writes about the nature within South America, he portrays it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues that they are only represented when they are beneficial for Europeans.
Revised:  When Humboldt writes about the nature within South America, he portrayed it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues that they are only represented when they are beneficial for Europeans.
Edit intent: fluency
Original:  When Humboldt writes about the nature within South America, he portrays it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues that they are only represented when they are beneficial for Europeans.
Revised:  When Humboldt writes about the nature within South America, he portrays it as neutral and free of people: If the indigenous population was mentioned within Humboldt's writing, Pratt argues that they are only represented when they are beneficial for Europeans.
Edit intent: fluency
Original:  When Humboldt writes about the nature within South America, he portrays it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues that they are only represented when they are beneficial for Europeans.
Revised:  When Humboldt writes about the nature within South America, he portrays it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues , they were only represented when they are beneficial for Europeans.
Edit intent: fluency
Original:  When Humboldt writes about the nature within South America, he portrays it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues that they are only represented when they are beneficial for Europeans.
Revised:  When Humboldt writes about the nature within South America, he portrays it as neutral and free of people: If the indigenous population is mentioned within Humboldt's writing, Pratt argues that they are only represented when they were beneficial for Europeans.
Edit intent: fluency
Original:  Other scholars counter Pratt's argumentation and refer to the abolitionist and anti-colonialist standpoint that Humboldt represents within his writing : An example is Humboldt's descriptions of the South American colonies in which he critiques the Spanish colonial rule.
Revised:  Other scholars counter Pratt's argumentation and refer to the abolitionist and anti-colonialist standpoint that Humboldt represents within his writing . An example is Humboldt's descriptions of the South American colonies in which he critiques the Spanish colonial rule.
Edit intent: fluency
Original:  Other scholars counter Pratt's argumentation and refer to the abolitionist and anti-colonialist standpoint that Humboldt represents within his writing : An example is Humboldt's descriptions of the South American colonies in which he critiques the Spanish colonial rule.
Revised:  Other scholars counter Pratt's argumentation and refer to the abolitionist and anti-colonialist standpoint that Humboldt represents within his writing : An example is Humboldt's descriptions of the South American colonies in which he critiqued Spanish colonial rule.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Dry clean air near sea level(standard ISO 2533 - 1975) Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: meaning-changed
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: coherence
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 9340 Carbon dioxide* , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide a , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 314 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 b Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane a , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 2.0 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: meaning-changed
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 0.5 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 0.087 Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location.
Edit intent: fluency
Original:  Average composition of dry atmosphere (mole fractions) Gas per NASA  Nitrogen, N2 78.084\%  Oxygen, O2 20.946\%  Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide  , CO2 400   Neon, Ne 18.18  Helium, He 5.24 Methane  , CH4 1.7  Krypton, Kr 1.14  Hydrogen, H2 0.55  Nitrous oxide, N2O 0.5  Xenon, Xe 0.09  Nitrogen dioxide, NO2 0.02 Water Water vapour Highly variable;typically makes up about 1\% Notes: the concentration of CO2 and CH4 vary by season and location. The mean molecular mass of air is 28.97 g/mol. Ozone ( O3 ) is not included due to its high variability. composition of dry clean air near sea level according to standard ISO 2533 -
Revised:  Average composition of dry atmosphere (mole fractions) Gas per NASA Nitrogen, N2 78.084\% Oxygen, O2 20.946\% Minor constituents (mole fractions in ppm) Argon, Ar 9340 Carbon dioxide , CO2 400 Neon, Ne 18.18 Helium, He 5.24 Methane , CH4 1.7 Krypton, Kr 1.14 Hydrogen, H2 0.55 Nitrous oxide, N2O 0.5 Xenon, Xe 0.09 Nitrogen dioxide, NO2 0.02 up to 0.02 Ozone*, O3 ) is not included due to its high variability. composition of dry clean air near sea level according to standard ISO 2533 -
Edit intent: meaning-changed
Original:  Ozone ( O3 ) is not included due to its high variability. composition of dry clean air near sea level according to standard ISO 2533 - 1975 Gas Content of volume \% Nitrogen, N2 78.084 Oxygen, O2 20.9476 Argon, Ar 0.934 Carbon dioxide, CO2 0.0314 * Neon, Ne Helium, He Krypton, Kr Xenon, Xe Hydrogen, H2 Nitrous oxide, N2O Methane, CH4 Ozone, O3 , in summer up to * Ozone , O3, in winter up to * Sulphur dioxide , SO2 up to * Nitrogen dioxide, NO2 up to * Iodine, I2 * * The content of the gas may undergo significant variations from time to time or from place to place  ] ] .
Revised:  Ozone ( O3 ) is not included due to its high variability. , in summer up to * Ozone , O3, in winter up to * Sulphur dioxide , SO2 up to * Nitrogen dioxide, NO2 up to * Iodine, I2 * * The content of the gas may undergo significant variations from time to time or from place to place ] ] .
Edit intent: coherence
Original:  1975 Gas Content of volume \% Nitrogen, N2 78.084 Oxygen, O2 20.9476 Argon, Ar 0.934 Carbon dioxide, CO2 0.0314 * Neon, Ne Helium, He Krypton, Kr Xenon, Xe Hydrogen, H2 Nitrous oxide, N2O Methane, CH4 Ozone, O3 , in summer up to * Ozone , O3, in winter up to * Sulphur dioxide , SO2 up to * Nitrogen dioxide, NO2 up to * Iodine, I2 * * The content of the gas may undergo significant variations from time to time or from place to place  ] ] .
Revised:  1975 Gas Content of volume \% Nitrogen, N2 78.084 Oxygen, O2 20.9476 Argon, Ar 0.934 Carbon dioxide, CO2 0.0314 * Neon, Ne Helium, He Krypton, Kr Xenon, Xe Hydrogen, H2 Nitrous oxide, N2O Methane, CH4 Ozone, O3 , in summer up to 0.07 Ozone* , O3, in winter up to * Sulphur dioxide , SO2 up to * Nitrogen dioxide, NO2 up to * Iodine, I2 * * The content of the gas may undergo significant variations from time to time or from place to place ] ] .
Edit intent: meaning-changed
Original:  1975 Gas Content of volume \% Nitrogen, N2 78.084 Oxygen, O2 20.9476 Argon, Ar 0.934 Carbon dioxide, CO2 0.0314 * Neon, Ne Helium, He Krypton, Kr Xenon, Xe Hydrogen, H2 Nitrous oxide, N2O Methane, CH4 Ozone, O3 , in summer up to * Ozone , O3, in winter up to * Sulphur dioxide , SO2 up to * Nitrogen dioxide, NO2 up to * Iodine, I2 * * The content of the gas may undergo significant variations from time to time or from place to place  ] ] .
Revised:  1975 Gas Content of volume \% Nitrogen, N2 78.084 Oxygen, O2 20.9476 Argon, Ar 0.934 Carbon dioxide, CO2 0.0314 * Neon, Ne Helium, He Krypton, Kr Xenon, Xe Hydrogen, H2 Nitrous oxide, N2O Methane, CH4 Ozone, O3 , in summer up to * Ozone , O3, in winter up to 0.02 Sulphur dioxide* , SO2 up to * Nitrogen dioxide, NO2 up to * Iodine, I2 * * The content of the gas may undergo significant variations from time to time or from place to place ] ] .
Edit intent: coherence