Explain the different processes involved in oxygen and water cycle operating in
nature.
Answers
Answer:
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The oxygen cycle is the biogeochemical transitions of oxygen atoms between different oxidation states in ions, oxides, and molecules through redox reactions within and between the spheres/reservoirs of the planet Earth.The word oxygen in the literature typically refers to the most common oxygen allotrope, elemental/diatomic oxygen (O2), as it is a common product or reactant of many biogeochemical redox reactions within the cycle.Processes within the oxygen cycle are considered to be biological or geological and are evaluated as either a source (O2 production) or sink (O2 consumption)
Explanation:
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Answer:
The oxygen cycle is a biogeochemical cycle involved in the circulation of the oxygen atoms present in the earth through a series of intricate processes.
processes involved in oxygen cycle:
Breathing
Decomposition
Combustion
Rusting
Breathing – It is the physical process, through which all living organisms including plants, animals, and humans inhale oxygen from the outside environment into the cells of an organism and exhale carbon dioxide back into the atmosphere.
Decomposition: It is one of the natural and most important processes in the oxygen cycle and occurs when an organism dies. The dead animal or plants decay into the ground, and the organic matter along with the carbon, oxygen, water and other components are returned back into the soil and air. This process is carried out by the invertebrates including fungi, bacteria and some insects which are collectively called as the decomposers. The entire process requires oxygen and releases carbon dioxide.
Combustion: It is also one of the most important processes which occur when any of the organic materials including fossil fuels, plastics and wood, are burned in the presence of oxygen and releases carbon dioxide into the atmosphere.
Rusting: This process also requires oxygen. It is the formation of oxides which is also called oxidation. In this process, metals like iron or alloy rust when they are exposed to moisture and oxygen for an extended period of time and new compounds of oxides are formed by the combination of oxygen with the metal.
2. water cycle:
The water cycle, also known as the hydrologic cycle or the hydrological cycle, describes the continuous movement of water on, above and below the surface of the Earth. The mass of water on Earth remains fairly constant over time but the partitioning of the water into the major reservoirs of ice, fresh water, saline water and atmospheric water is variable depending on a wide range of climatic variables. The water moves from one reservoir to another, such as from river to ocean, or from the ocean to the atmosphere, by the physical processes of evaporation, condensation, precipitation, infiltration, surface runoff, and subsurface flow. In doing so, the water goes through different forms: liquid, solid (ice) and vapor.
processes involved in water cycle:
Evaporation
Condensation (Storage)
Precipitation
Percolation (Infiltration)
Sublimation
Transpiration (Evapotranspiration)
Explanation:
Evaporation - is the process of water escaping from the surface of a body of water into the atmosphere.
Condensation (Storage) - is the process by which water molecules gather from evaporated gas into stored water in clouds, or precipitation into collecting bodies of water
Precipitation - is the process of collected water in the clouds returning to the earth's surface in rain, sleet, snow....
Percolation (Infiltration) - is the process that allows water on the earth's surface to seep into the earth's crust and become ground water.
Sublimation - is the process that allows solid water in the form of ice to escape as gas without turning into liquid water.
Transpiration (Evapotranspiration) - is the process that allows water released from the process of photosynthesis in plants to be released into the environment.