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  2. Biodegradation - Wikipedia

    en.wikipedia.org/wiki/Biodegradation

    The degradation rate of many organic compounds is limited by their bioavailability, which is the rate at which a substance is absorbed into a system or made available at the site of physiological activity, [11] as compounds must be released into solution before organisms can degrade them. The rate of biodegradation can be measured in a number ...

  3. Organic compound - Wikipedia

    en.wikipedia.org/wiki/Organic_compound

    Living things incorporate inorganic carbon compounds into organic compounds through a network of processes (the carbon cycle) that begins with the conversion of carbon dioxide and a hydrogen source like water into simple sugars and other organic molecules by autotrophic organisms using light (photosynthesis) or other sources

  4. Chemical substance - Wikipedia

    en.wikipedia.org/wiki/Chemical_substance

    Non-stoichiometric compounds are another special case from inorganic chemistry, which violate the requirement for constant composition. For these substances, it may be difficult to draw the line between a mixture and a compound, as in the case of palladium hydride. Broader definitions of chemicals or chemical substances can be found, for ...

  5. List of inorganic compounds - Wikipedia

    en.wikipedia.org/wiki/List_of_inorganic_compounds

    List of inorganic compounds. ... Water - H 2 O [204] He ... (only simple oxides, oxyhalides, and related compounds, not hydroxides, carbonates, acids, or other ...

  6. Biodegradable waste - Wikipedia

    en.wikipedia.org/wiki/Biodegradable_waste

    Landfill gas utilization and municipal composting can capture and use the organic nutrients. [11] Food waste collected from non-industrial sources is harder to use, because it often has much greater diversity than other sources of waste—different locations and different windows of time produce very different compositions of material, making ...

  7. Inorganic compound - Wikipedia

    en.wikipedia.org/wiki/Inorganic_compound

    An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bondsā  ‍ — ‍ that is, a compound that is not an organic compound. [ 1 ] [ 2 ] The study of inorganic compounds is a subfield of chemistry known as inorganic chemistry .

  8. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    In inorganic reactions, water is a common solvent, dissolving many ionic compounds, as well as other polar compounds such as ammonia and compounds closely related to water. In organic reactions, it is not usually used as a reaction solvent, because it does not dissolve the reactants well and is amphoteric (acidic and basic) and nucleophilic .

  9. Dissolved inorganic carbon - Wikipedia

    en.wikipedia.org/wiki/Dissolved_inorganic_carbon

    Dissolved inorganic carbon is a key component of the biological pump, which is defined as the amount of biologically produced organic carbon flux from the upper ocean to the deep ocean. [6] Dissolved inorganic carbon in the form of carbon dioxide is fixed into organic carbon through photosynthesis.