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What is Atmosphere mean?
An atmosphere (from Ancient Greek ἀτμός (atmós) 'vapour, steam', and σφαῖρα (sphaîra) 'sphere') is a layer of gas or layers of gases that envelope a planet, and is held in place by the gravity of the planetary body. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosphere is the outer region of a star, which includes the layers above the opaque photosphere; stars of low temperature might have outer atmospheres containing compound molecules.
The atmosphere of Earth is composed of nitrogen (78%), oxygen (21%), argon (0.9%), carbon dioxide (0.04%) and trace gases. Most organisms use oxygen for respiration; lightning and bacteria perform nitrogen fixation to produce ammonia that is used to make nucleotides and amino acids; plants, algae, and cyanobacteria use carbon dioxide for photosynthesis. The layered composition of the atmosphere minimises the harmful effects of sunlight, ultraviolet radiation, the solar wind, and cosmic rays to protect organisms from genetic damage. The current composition of the atmosphere of the Earth is the product of billions of years of biochemical modification of the paleoatmosphere by living organisms.
referenceFull Form | Category |
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Apollo Telescope Mount | Academic & Science |
Amateur Telescope Maker | Academic & Science |
Austrian Tunnelling Method | Academic & Science |
Atmospheres the amount | Academic & Science |
Amateur Telescope Making | Academic & Science |
Altamira | Airport Code |
Association of Teachers of Mathematics | Associations & Organizations |
Automated Teller Machine | Banking |
Automatic Teller Machine | Banking |
At The Market | Business |
Applied Technologies Manufacturing Company | Business |
American Tool and Mold | Business |
After The Money | Business |
Amateur Telescope Makers | Business |
Any Time Money | Business |
Arab Travel Market | Business |
Against The Mainstream | Business |
Aneka Tambang (Persero) Tbk (PT) | Business |
Atmosphere | Chemistry |
Aakash Times Magazine | Community |
Aaron T. Myers | Community |
Awana Teen Ministries | Community |
Arabian Travel Market | Community |
A Terrible Movie | Community |
Advanced Team Member | Community |
After The Meeting | Community |
All Types of Music | Community |
American Time Machine | Community |
Awesome Traveling Machine | Community |
Another Teachable Moment | Community |
Act Think Move | Community |
Aschronous Transfer Mode | Computing |
Automated Transactional Management | Computing |
Abstract Test Method | Computing |
Automatic Transmission Module | Computing |
Advanced Technical Services | Computing |
Apple Time Machine | Computing |
Adobe Type Manager | Computing |
Atletico De Madrid Fan Token | Cryptocurrency |
Asychronous Transfer Mode | Electronics |
Advanced Test Module | Electronics |
Automated Timing Mechanism | Electronics |
Automatic Timing Mechanism | Electronics |
Adobe Type Manager Related File | File Type |
Air traffic Movement | General |
A Tremendous Migraine | General |
Alternative Test Method | General |
Automatic Travel Money | General |
A Time Machine | General |
Automated Teller Machines | General |
Another Twenty Missing | General |
Acrylic Tank Manufacturing | General |
Any Time Milk | General |
Annoying Tiny Messages | General |
Automated Theft Machine | General |
Accces To Money | General |
Access to Tree of Money | General |
Advanced Technical Material | General |
Always Trust Magic | General |
All The Madness | General |
Alien Training Module | General |
Asynchronous Transfer Modefile | General |
All The Money | General |
Automated Thanking Machine | General |
Automated Teleportation Module | General |
Another Teaching Moment | General |
Alternative Transfer Model | General |
Automated Thanking Machines | General |
All the Time Malfunctioning | General |
All That Matters | General |
Alien Time Machine | General |
Access To Money | General |
Any Time Murder | General |
Actual Time Machine | General |
Aiming The Milk | General |
Anthony Thomas Melillo | General |
Attackable Transaction Machine | General |
Any Time Maar | General |
All To Me | General |
Automatic Time Machine | General |
Airborne Topographic Mapper | General |
All Time Malfunctioning | General |
Automatic Taller Machine | General |
Adaptive Transmission Management | General |
Advanced ToastMaster | General |
Active Traffic Management | General |
A Tragic Mistake | General |
Advising Tempomat | General |
A Terrible Mistake | General |
Actuator Test Mode | General |
Automatic Transaction Machine | General |
Aggregate Trailer Mass | General |
Asymmetrical Transfer Mode | General |
Aid To Motorist | General |
Available Ton Mile | General |
Austausch Motor | General |
Automobiltechnik Maul | General |
A Tragic Mess | General |
Automotive Threat Modeling | General |
Automotive Technology Management | General |
Advanced Transportation and Manufacturing | General |
Automatically Transmitted Money | General |
Another Terrible Mistake | General |
Automated Token Machine | Governmental |
Angkatan Tentera Malaysia | Governmental |
Avoiding The Mob | Governmental |
Anti-Tank Mine | Governmental |
Air Turbine Motor | Governmental |
All Time Murder | Governmental |
Area Training Manager | Governmental |
ALTAGRAM | Indian Railway Station |
Asynchronous Transfer Mode | Information Technology |
Azienda Trasporti Milanesi | International |
Automated Transaction Machine | International |
Asian Tiger Mum or sometimes Asian Tigress Mum | International |
ATMosfer | International |
Ask Too Much | Internet |
At the moment | Internet Slang |
Ataxia Telangiectasia Mutated | Medical |
Asynchronous Transport Mode | Medical |
Awareness Through Movement | Medical |
Ataxia Telangiectasia Mutation | Medical |
Australian Traditional Medicine | Medical |
Asian Traditional Medicine | Medical |
Across The Miles | Messaging |
Anti-tactical Missile | Military and Defence |
Anti-tank Missile | Military and Defence |
Advanced Trauma Management | Military and Defence |
Air Target Material | Military and Defence |
Assign Traffic Metering | Military and Defence |
Air Traffic Management | Military and Defence |
Army Ten-miler | Military and Defence |
Altamira, PA, Brazil | Regional |
Alaska Test Methods | Regional |
Automated Telephone Manager | Softwares |
Automated Trading Machine | Stock Exchange |
Amsterdam Treasury Bond Market | Stock Exchange |
Automated Transmissions Machine | Telecommunication |
Altamira Airport | Transport & Travel |
Posted on 17 Dec 2024, this text provides information on Miscellaneous in Chemistry related to Chemistry. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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