ASSLAMOALAIKUM

Nowdays we often hearing about SPACE-PROGRAMS in diffrent diffrent countries.try to understnd every minutes secrets of the univers.Recently many countrie's scientist related to space programs had claimed that they have many clew related to presence of water in Moon/MARS......so They spent alot of money to clearify the aspect for water is presence or not in these planets.....but my frnds u should knw....in the our planet water is also presence 73% of the total land area....but only 1%or less than it prsnce in the form of drinkable water....just i want to say that all the scientist of the world should to try & spent money to convert the salty water(73%) into freshwater..........thanks