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In 2014 carbon dioxide levels are around 400 ppm (parts per million) or 0.04%.

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Jasen Runte

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2y ago
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13y ago

The proportion of carbon dioxide in the atmosphere is so low that it is usually measured in parts per million (ppm) rather than percentages (parts per hundred).

The long term average concetration of carbon dioxide in the atmosphere is in the range 260 to 280 ppm, falling to around 180 ppm during Ice Ages. Since the Industrial Revolution the level has grown by around 35 per cent to the present value of 380 ppm and is now increasing fairly rapidly.

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13y ago

Dry air contains roughly (by volume) 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of watrer vapour, on average around 1%.

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8y ago
  • Around 0.04% Carbon Dioxide
  • The common name given to the atmospheric gases used in breathing and photosynthesis is air.
  • By volume, dry air contains:
    • 78.09% nitrogen,
    • 20.95% oxygen,
    • 0.93% argon,
    • 0.04% carbon dioxide, and
    • small amounts of other gases.
    • a variable amount of water vapor, on average around 1%.
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Wiki User

14y ago

The percent of the atmosphere made out of carbon dioxide is 0.038.

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Wiki User

11y ago

78% of the air we breathe is nitrogen, 21% is oxygen, and 1% is argon. the carbon is between .01 & .07.

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9y ago

In 2014 carbon dioxide levels are around 400 ppm (parts per million) or 0.04%.

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Noemi Ramirez

Lvl 2
2y ago

Less than 1%

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Valentina Reichel

Lvl 1
2y ago
idk if thats rite

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Q: What percent of the atmosphere is co2?
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What is CO2 percent of atmosphere?

The percent of the atmosphere made out of carbon dioxide is 0.038.


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CO2 in air?

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