Question

sea water is unfit for domestic use as it consists​

Answer 1

Answer:

Explanation:  

Answer is salt

Saline water (more commonly known as salt water) is water that contains a high concentration of dissolved salts (mainly sodium chloride).

Answer 2

Answer :

Sea water is unfit for domestic use as it consists of Salt.

$\:$

Explanation :

Sea and ocean water contain large amount of various salt. It is due to these salts the ocean water is salty and cannot be used for drinking, washing and for irrigation purpose.