Nitrogen returns to the atmosphere through a process called denitrification. <u>Option C.</u>
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Denitrification is the process of converting nitrate to nitrogen gas thereby removing bioavailable nitrogen and returning it to the atmosphere. Nitrogen is returned to the atmosphere through the activity of organisms known as decomposers. increase. Some bacteria are decomposers breaking down the complex nitrogen compounds found in dead organisms and animal waste.
Denitrification is a microbial process that reduces nitrates and nitrites to gaseous nitrogen primarily nitrous oxide N2O and nitrogen N2. Various microorganisms can denitrify. Denitrification is a response to changes in oxygen O2 concentration in the immediate environment. Atmospheric nitrogen is utilized by certain microorganisms through a biological fixation process. Alone or in symbiotic relationships with some plants and animals microorganisms can fix atmospheric nitrogen.
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There should be 7 chromosomes in the sex cell of a pea plant.
Answer:
How physiological mechanisms serve as the basis for hunger
Explanation:
Physiological mechanisms are able to provide explanations to body functions, events and outcomes. Such mechanisms could be altered voluntarily when there's the need to. Hunger is on example of such. When a person is hungry the muscles of the stomach contracts and messages are sent to the brain. This process is what tells the person thaat he needs to feed.
Answer:
the atmosphere,hydrosphere,and the biosphyre
Explanation:
