Question

it is easy to swim in seawater than in river water explain the reason why?

Answer 1

Because objects float better on a dense surface, they float better on salt water than fresh water. ... Therefore, it is going to be much easier to swim/float in salt water than freshwater.

Answer 2

Because objects float better on a dense surface, they float better on salt water than fresh water. ... Therefore, it is going to be much easier to swim/float in salt water than freshwater.