The movement of carbon through the abiotic and biotic parts of the carbon cycle is the following:
In the carbon cycle, carbon is moved between the four reservoirs where it is in different states:
- Atmosphere, carbon is in the form of carbon dioxide (CO2) by joining with oxygen in the form of gas.
- Terrestrial biosphere, carbon is found in the elements that make up terrestrial and coastal ecosystems, in non-living organic matter, and in the soil.
- Oceans, carbon is part of the hydrosphere, it is found in dissolved organic carbon, in marine organisms and in non-living matter.
The water vapor produced and released into the atmosphere also promotes gas exchange between the atmosphere and the ocean, allowing carbon to dissolve in the water, where it is fixed by photosynthetic plankton.
- Sediments: carbon is part of the geosphere, the excess carbon in decomposing organic matter, which is not captured and processed by decomposing life forms, it will pile up and sediment at the bottom of the oceans or in the various layers of the earth's crust, where it forms fossils, hydrocarbon deposits or reactive sediments.
During photosynthesis, green plants take CO2 from the abiotic environment and incorporate the carbon into the carbohydrates they synthesize.
Part of these carbohydrates are metabolized by the same producers in their respiration, returning carbon to the surrounding environment in the form of CO2.
That is, the return of CO2 to the atmosphere occurs when living beings oxidize food while breathing, producing CO2.
The final products of combustion are CO2 and water vapor.
Therefore, we can conclude that the movement of carbon between the abiotic environment and biotic factors (living organisms) defines the carbon cycle.
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A patient is in need of hydration. Is likely in a hypertonic solution.
stem cutting
► planting a portion of an immature cane's stem as a seed into the roots.
Answer:
Most biomolecules are organic compounds, and just four elements, oxygen, carbon, hydrogen, and nitrogen make up 96% of the human body's mass. But many other elements, such as the various biometals, are also present in small amounts.
Answer:
Breast cancer is the second most common malignancy in the world and is the fifth leading cause of cancer death in women. There is no method to determine who will develop breast cancer at some time in their life. Some methods are available to detect the tumor early. One of those methods is mammography screening. The idea of this test is to find a lesion(s) in the breast that may correspond to a stage cancer as early as possible.
Explanation:
It is defined as screening in examining a group of people in order to detect a disease or people with a high risk of developing the disease. For a screening test to be effective and efficient, several requirements have to be met, for example, that the disease to be screened must have a significant incidence, the test must have a high sensitivity and specificity, the cost must be relatively low or affordable, The test should be easy to perform and with limited side effects and/or complications. In some countries, guidelines for screening breast cancer with mammography have been established, there is controversy over when to start screening, the recommended interval and to what age the screening was performed. Mammographic screening for women between 50 and 69 years of age is recommended globally.
