The following section consist of Quiz on Atmosphere and Winds. Take the quiz and improve your overall knowledge on Geography. An Atmosphere meaning “vapour” and meaning “sphere” is a layer of gases bordering a planet or various other material body, that is held in location by the gravity of that body. An ambience is most likely to be maintained if the gravity it undergoes is high and the temperature of the atmosphere is low. The atmosphere of Earth is primarily composed of nitrogen (about 78%), oxygen (about 21%), argon (about 0.9%) with co2 as well as various other gases in trace amounts. Oxygen is made use of by many organisms for respiration, nitrogen is dealt with by microorganisms as well as lightning to create ammonia made use of in the building and construction of nucleotides as well as amino acids and co2 is used by plants, algae and also cyanobacteria for photosynthesis. The atmosphere aids shield living organisms from genetic damages by solar ultraviolet radiation, solar wind and also cosmic rays. Its current structure is the product of billions of years of biochemical adjustment of the paleoatmosphere by living microorganisms. Click here for Online Quiz on Biosphere
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