Q.2 Explain:carbon cycle and oxygen cycle
Answers
Answer:
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.[1] 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.[2] 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).
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth. Carbon is the main component of biological compounds as well as a major component of many minerals such as limestone. Along with the nitrogen cycle and the water cycle, the carbon cycle comprises a sequence of events that are key to make Earth capable of sustaining life. It describes the movement of carbon as it is recycled and reused throughout the biosphere, as well as long-term processes of carbon sequestration to and release from carbon sinks.
Answer:Oxygen cycle is evident element in earth crust it occur in the combined form India tourist it is found as a oxide of most metal are carbonate siliconix actres Oxygen cycle maintain the oxygen level in the atmosphere oxide form the atmosphere is used three process namely combustion and respiration and the oxide of nitrogen Oxygen is returned to atmosphere process of photosynthesis.
Carbon cycle
carbon is the important compound in the process of photosynthesis their process of co2 in the atmosphere into glucose molecule the energy of glucose molecule is to provide of energy for synthesis of important molecules this process involved the process in respiration so in this way CO2 goes back on the atmosphere.