Cycles (Biogeochemical cycle). The lifecycle of the substance (Biogeochemical cycle) means a change of one substance by nueng. Changes of substance to the substance one by changing the position from one source to another one or from one type of organism to another, but in the end it turns back to. Original state again, such as oxygen contained in the source;Oxygen has a circulation cycle, starting from the plant creates oxygen. Using the power of light and chlorophyll, algae and plankton, as well as the plant it has food that is organic nutrients. From photosynthesis, algae and animals then has the power to convey food and as animal and vegetable food chain. When you breathe out carbon emissions are in the form of the substance. Composed of carbon dioxide, which plants, algae and plankton. Used in photosynthesis again.The lifecycle of the substance or the substance turnover is turnover from non-living things through life, then turns back to the old nature. Natural elements on the Living organisms using minerals and nutrients from the environment, which is found in various minerals contained naturally in the form of organic compounds and inorganic compounds containing the changes according to the lifecycle of the substance.
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