Question

carbon cycle in points wise in figure

Answer 1

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THE CARBON CYCLE :-

- Carbon is a basic component of all organic compounds, the building materials of which all living organisms are constructed. Carbon is present in the structure of carbohydrates, fats, protein and nuclei acids.

- Carbon cycle is essentially a perfect cycle because the Carbon is returned to the environment back as fast as it is removed.

- Atmosphere is the main reservoir of Carbon dioxide and it is a gaseous cycle.

- Green plants take and use CO2 , solar energy and H2O by the process of photosynthesis and synthesize carbohydrates.
They realeases oxygen as a byproduct.

- Carbon is returned to the environment by the respiratory activities of plants and animals.

- Decomposition of dead bodies also releases CO2 back in the environment.

- Non - biological processes like burning of fossil fuels, coal , wood etc. releases CO2.

- It is interesting to note that the percentage of Carbon dioxide became double in the atmosphere due to industrial revolution when humans start burning fossil fuels on very large scale.

- In the atmosphere amount of CO2 is very small only 0.3% is present than also it is very harmful for us.

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