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. [...]
In this essay we will discuss about the phosphorus cycle with the help of a diagram. Phosphorus is one of the nutrients of major importance to biological systems and is the constituent of energy rich compounds e.g. ADP, ATP, GTP. It is also found in plasma membrane, shells, bones and teeth. Phosphorus is indispensable for life, metabolism and required for [...]
In this essay we will discuss about the sulphur cycle with the help of a diagram. Sulphur is a component of three amino acids (Cysteine, cystine and methionine), so is a component of most proteins, some vitamins and enzymes. Sulphur cycle is a sedimentary cycle as it is found in nature as element and also as sulphates in soil, water [...]