Question

Assignment about biogeochemical cycles

Answer 1

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Answer :

1. What is shown by the reaction below?2 (CH2O)  CO2 (g) + CH4 (g)How is this process related to aerobic respiration?Answer:

- The above reaction is a fermentation reaction, which is the production of methane by microbes. This fermentation reaction is the oxidation-reduction process in both oxidizing agents and the reducing agent is an organic matter. Bacteria that work in this fermentation process is Methanobacterium that works anaerobically (less oxygen), its function to degrade hydrocarbons. This methane production functions in the local and global carbon cycle as the final step in the decomposition of organic matter. Methane sources that enter the atmosphere mencapi 80%.- The above process relationship with aerobic respiration is, the Biosphere consists of organisms and biological living materials. This organism is responsible for converting the earth's originality by reducing the oxygen-rich atmosphere. Photosynthetic organisms can remove CO2 from the atmosphere. Biosfeer is based into two namely aerob and anerob. First is photosynthesis of plants that use solar energy represented by {CH2O}:

CO2 + H2O -> [CH2O] + O2 (g)plants and algae functions as autotrophic organisms can also those utilizing solar or chemical energy to improve the elements from simple, inorganic inorganic materials into complex life molecules that make up living organisms.
[CH2O] + O2 (g) -> CO2 + H2Oabsence of oxygen (anaerobic respiration)

2 [CH2O] -> CO2 (g) + CH4 (g)
Thus, the relationship of both is equally biodegradation to get rid of biomass and return CO2 to the atmosphere.biodegradation of organic matter, as occurs in urban wastewater treatment by reactions represented in the general sense by,[CH2O] + O2 (g) CO2 + H2O + biomass

Define cycles of matter and explain how the definition is given relates to the definition of environmental chemistry
Ecosystem (environment) is divided into two namely abiotic and biotic. Abiotic components are air, water, and soil while the biotic component is a living organism of both autotroph and heterotrophic organisms. An ecosystem consists of beneficial interactions between organisms and their environment in which there is an exchange of a large number of materials in the form of cycles, known as the material cycle. The material cycle concerns how the flow or material journey consists of chemicals from one medium to another in the environment, including the medium of life. Its relationship to the definition of environmental chemistry. Environmental chemistry is defined as the science of the sources, reactions, transport, impacts, and materials related to chemistry in water, land, air, and the environment, and the impact of the use of technology. It can be concluded that the definition of the material cycle is closely related to environmental chemistry because, from the existence of this material cycle include biotic and abiotic while in environmental chemistry (matter related to chemistry in water, soil, air and environment) can be known prevention and handling with environmental chemistry.

3. What are the main features of the carbon cycle?
An important aspect of the carbon cycle is that this cycle starts from the transfer of solar energy to the biological system and ultimately to the geosphere and the atomosphere as fossil carbon and fossil fuels.

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