A ship can easily sail on sea water (salty water) due to the reason that:

Blue colour of sea water is due to

The resistance R to the motion of a ship depends on the velocity v of the ship, l the length of ship, rho the density of sea water and g the acceleration due to the gravity.Show that R is proportional to l^3 .

A loaded cargo ship sails from sea water to river water? State and explain your observation.

Blue colour of water in sea is due to

Blue colour of water in sea is due to

Blue colour of water in sea is due to

Blue colour of water in sea is due to

Desalination of sea water can be done by