Water – Most Precious, Lets act
Water is precious and is very much essential for life to be in the universe. We find water everywhere in abundance but to find water fit for drinking is difficult and has to be purchased. Let’s understand some of the interesting facts of the chemical substance called water. When one atom of oxygen and two atoms of hydrogen meet in a complex chemical process we get water. Water existing in three different states – gaseous (vapor or steam), liquid and solid (ice). About 71% of the Earth’s surface is covered by water out of which only 3% is fresh water and the rest 97% is saline water of the oceans, seas etc. Fresh water is available from lakes (87%), Swamp (11%) and rivers (2%) and Lake Baikal in Siberia is the single largest source of water. Although pure water is said to be tasteless but human and animals have developed senses which enables them to evaluate the potability of water e.g. salty etc. The term used to describe the study of movement, distribution and quality o...