biotic process of carbon cycle, nitrogen cycle and oxygen cycle
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CARBON CYCLE- Photosynthesis, respiration, combustion, decomposition are some of the biotic processes that take part in the carbon cycle. Carbon is exported from a cycle in the form of CO2 which takes place via respiration of all living organisms.
NITROGEN CYCLE -The process of biotic coverting anmonium ions to nitrites is called nitrification. Still other bacteria called denitrifying bacteria convert some of the nitrites in soil back into nitrogen gas in the process called denitrification.
OXYGEN CYCLE -oxygen cycle The cycling of oxygen between the biotic and abiotic components of the environment (see biogeochemical cycle). ... In the process of respiration oxygen is taken in by living organisms and released into the atmosphere, combined with carbon, in the form of carbon dioxide.