1.  Water is the cradle of life. Let's respect, appreciate and care for water - one of the main foundations of our life.

2.  importance water.  sources of water pollution  water in Siberia  Methods of water protection from pollution  conclusion

4. ."Water is more expensive than gold”

5. water is environment where chemical reactions take place.

6.  2/3 part of the Earth is covered with water.  Water is second important substance after oxygen on the planet.  Man can live only 3 days without water

8. Vantal

9.  temperature rise  decaying organic substances  waste of food industry  oil products  salts of heavy metals, chlorine, alkali, acid

10.  80% of deseases on the planet are caused by low quality and antisanitary condition of water

14.  Water is life, beauty and health  Water is the cradle of life.