Discuss the following cycles: carbon cycle, nitrogen cycle, hydrological cycle. provide examples:

Explanation:

Carbon cycle - It is defined as the process in which the carbon moves form the atmosphere into the living organism and the Earth and then back to the atmosphere. For example plants take carbon dioxide to prepare the food. Animals eat the plants and then carbon dioxide is stored in them or released in the form of carbon dioxide in the atmosphere.

Nitrogen cycle - It is defined as the process in which nitrogen is converted into different chemical forms as it circulates among terrestrial and marine ecosystem and the atmosphere. For example nitrogen present in the soil are absorbed by the plants through its roots which comes in the form of ions. Nitrogen is reduced to nitrite ions, when absorbed the plants. Further it becomes ammonium ions which can be incorporated into amino or nucleic acid.

Hydrological cycle - It is defined as the continuous movement of water below, above and on the earth. For example water at the Earth's surface evaporates into the atmosphere. Moisture moves around the earth with weather pattern, and rain and snow condenses from it.

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