Question

how can we change sea water to drinkable wter

Answer 1

We should boil the water so in Evaporation the salt will stand in the last of the vessel and we can drink

Answer 2

We can use the process of distillation to purify salt water into drinkable water.

Although, After distillation we will need to add a small amount of salt in the distilled water because our body can't digest distilled water.

Hope this helps you!