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A C E G I L M N O P R S T U V
Troposphere The troposphere region contains the air we breathe and is like the stage for meteorology and climate.
Troposphere Next to water vapour and CO2, what other gases are to be found in Earth's troposphere?
Thermosphere Layers containing artificial satellites, space stations, spacecrafts, astronauts and cosmonauts in orbit.
Air pollution urban environment Human activities like energy use and agriculture are responsible for the emissions of various chemical compounds in the atmosphere.