Water

Name: Andrea Arteaga Date: 27-February-2012
Grade: 10 B Subject: Science

Like everyone knows our live depends of water, that’s why we say water is life. Water is asubstance formed by oxygen and hydrogen and we can know that it is when we pass electricity in beakers. It is abundant substance in nature that we can found in seas, rivers, lakes, mountains, clouds,and in our body, but there are two types of water: saline and sweet. The salty are most of lakes and seas and oceans, but originary is sweet.
But where we can obtain water? Water is obtained fromtwo sources such as rain and ice. During the rainy season clouds rain a lot of water. During the summer season ice melts on the mountain and flow downward. Generally people get water from ponds, wells,rivers and canals.
The water involves using it like a supply in the soil, plants and atmosphere, but also it is very common in the diary life, there are many purpose such as drinking, cooking,washing, steaming and running machines. We use water in farming and garding like I said before. Conserving water in the soil means that we need to have an adequate supply of it for people, agriculture andthe natural environment. Today the people thinks that the water is renewable natural, but it is not true. The industries of today limits the ability of water to sature the earth, so it means thatreduces the amouth of it in the planet, also the drying of water increase the heat from sun and is leading to radical changes to the climate.
But why and how this happened? The water in the planet is inabundance quantity, but in some cases, is just not allowed in some places were is needed. But there are other causes like contamination, not only by the people that trough toxic contaminants, also bynatural poisons founded in grond water. “Overcoming the crisis in water and sanitation is one of the greatest human development challenges of the early 21st century,” a recent U.N. report warns....