As far as we are concerned, it is in finite supply. Water can be used to generate hydropower. Although this type of energy is not yet fully developed, even at full capacity, it would only be able to provide about 5 percent of the energy needed in the world. Hydropower involves the use of hydroelectric dams, which must be built on rivers. These can create many damaging side effects, causing harm to the river and its inhabitants by offsetting the balance and the flow of nature.
Water sustains life.
No water, no life. We must conserve and stop contaminating this precious supply. They are divided up into four groups based on their uses. The first and most valuable group is metals, such as copper, iron, and aluminum. Their products can be seen everywhere from batteries and buildings to airplanes and soda cans.