Uses of water in life
Water is life Water is one of the important and necessary elements for the life of living organisms on Earth, as it constitutes 80% of the weight of all living things, covers 70% of the Earth’s area, and is of chemical compounds and consists of an oxygen atom and two hydrogen atoms, and it spreads in all its various solid forms It is liquid and gaseous, and is characterized by being tasteless, colorless (transparent), and odorless.
Uses of water in life.
- Maintain the temperature in the ground.
- Helping people with digestion, treating constipation and stress, transporting oxygen between blood and cells, and removing excess salts from the body.
- Means of transportation; Many peoples depend on water for transportation by ships and boats.
- Growing food crops; As agricultural crops need irrigation to grow well and soundly. It is used in some industries in order to generate electricity to run machinery and to manufacture materials.
- Watering botanical gardens, blossoms, and lawns, plus fill in pools, and wash cars.
- Fill public fountains inside restaurants, hospitals, and schools, clean streets, and extinguish fires. Electric power generation; Where power plants are the largest consumers of water.
- Air-cooled and hot metal. Entertainment; That is swimming, rowing, and windsurfing.
- Housework such as showering: needs between 30 and 40 gallons a day. Washing machines: You need about 25 gallons.
- Toilet: Needs 5 gallons per person. Kitchen: Needs 20 gallons a day, and is used for washing dishes and preparing food.
- Other uses: washing hands, brushing teeth, and shaving all take 15 gallons a day. Properties of water, physical properties, diffuse by solid, liquid, and gaseous states.
- The volume of water increases and its density decreases when it solidifies. It is spherical in air. It carries light metallic objects.
It spreads by solid, liquid, and gaseous states.
The volume of water increases and its density decreases when it solidifies.
It is spherical in the air.
It carries light metallic objects.
The ability to dissolve some substances; As it dissolves a large number of substances.
Interaction with various chemicals.
Means of preserving water
Rationalization by individuals: installing all parts that help save water.
Make use of the washing water of vegetables and fruits for agriculture and garden watering. Only open the water outlet or tap when needed. State and government rationalization: construction of reservoirs and dams that store excess water. Awareness of the importance of water conservation. Finding different alternative sources of water, such as desalination of seawater and wastewater treatment. Rationalizing it in the agricultural sector through Early morning or sunset irrigation. Not to use old irrigation methods, especially the flood irrigation method, and to use modern methods, especially the drip irrigation method.