Credit: JON BAUGH/SCIENCE PHOTO LIBRARY

Caption: Animation showing the composition of the atmosphere of Earth at sea level. The atmosphere comprises a number of gases, which are bound to Earth by gravity. The majority is unreactive nitrogen (N2), which makes up some 78%. Around 20& is oxygen (O2), the active component that is essential for animal life. 0.9% is the unreactive noble gas argon (Ar). Some 0.04% is carbon dioxide (CO2), which is taken up by plants during photosynthesis, during which they produce the oxygen in the air. At sea level the atmosphere also contains a highly variable amount of water vapour (H2O). This ranges from 0-5%, with an average around 1%. The changing levels of water vapour in the air play a critical role in the Earth's weather and climate.

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Keywords: air, animated, animation, argon, atmosphere, carbon dioxide, co2, component, components, composition, diagram, earth, earth science, education, educational, environment, environmental, gas, gases, gasses, geographical, geography, ground, hydrological, inert, land, lower, mix, mixture, model, modeling, modelling, moist, moisture, molecular, molecule, molecules, nitrogen, ocean, oxygen, part, parts, sea, sea level, trees, unreactive, vapor, vapour, vegetation, water, weather, wet

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Composition of the atmosphere

K004/8380 Rights Managed

Downloadable master

Duration: 00:01:00

Frame size: 1920x1080

Frame rate: 24

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 960.9M

Original

Capture format: QuickTime Animation

Codec: Animation

Please contact Science Photo Library if you require the original, or other formats.

 

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