In this essay we will discuss about the oxygen cycle with the help of a diagram. Oxygen is about 20-84% in the atmosphere. Organisms respire aerobically in the presence of oxygen.During respiration, it combines with hydrogen to form water. It is found as a component of oxidised salts CO2 arid H2O. Oxygen enters the plants and animals through respiration during [...]
In this essay we will discuss about the nitrogen cycle with the help of a diagram. Importance of Nitrogen: Nitrogen is an essential constituent of protoplasm. Nitrogen is the component of amino acids, proteins, enzymes, nucleotides and nucleic acids. Sources of Nitrogen: Like all other major and minor elements, it flows in nature in a cyclic manner. Nitrogen is picked [...]
In this essay we will discuss about the carbon cycle with the help of a diagram. Importance of Carbon: It is estimated that about 99% of the total carbon lies in the geological components. Carbon is essential constituent of all major organic compounds of protoplasm as carbohydrates, fats and nucleic acids. So carbon is generally considered the basis of life. [...]