AIR ( WATER)

https://www.khanacademy.org/science/high-school-biology/hs-biology-foundations/hs-water-and-life/v/hydrogen-bonding-in-water


https://study.com/academy/lesson/facts-about-water-molecules-structure-properties-quiz.html

















http://www.crystalblueent.com/structured-water---what-is-it-part-1.html