In this essay we will discuss about the water cycle with the help of a diagram. Importance of Water: Water is indispensable for life. It is an essential need of both plants and animals. Every organism contains water about 60-90% of body weight. It is required for the working of macro- molecules, as a good […]
Essay on the Water Cycle | Biogeochemical Cycles | Biosphere | Environment
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Essay on the Oxygen Cycle | Nutrient Cycles | Biosphere | Environment
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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 […]
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Essay on the Nitrogen Cycle | Nutrient Cycles | Biosphere | Environment
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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 […]