Author: Sadia Hassan Sherani

All living organisms on earth need water for their survival. Water is life; It is an important constituent of any cell either it is a plant cell or animal cell. It has massive importance in multiple spheres of life, and is not only essential to meet the needs of agriculture but also for the industrial, livestock, re-creational and domestic utilization. About 70% of Earth is covered with water which means that only 30% of Earth consists of solid land. Out of total water content on Earth, 97% is saline water present in oceans and seas. Whereas, the rest of 3%…

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